7438808061 has 6 divisors (see below), whose sum is σ = 10744944990. Its totient is φ = 4959205368.

The previous prime is 7438808029. The next prime is 7438808093. The reversal of 7438808061 is 1608088347.

7438808061 is a `hidden beast` number, since 7 + 438 + 80 + 80 + 61 = 666.

7438808061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7438808029) and next prime (7438808093).

It can be written as a sum of positive squares in only one way, i.e., 6084936036 + 1353872025 = 78006^2 + 36795^2 .

It is not a de Polignac number, because 7438808061 - 2⁵ = 7438808029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7438807998 and 7438808016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7438809061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413267106 + ... + 413267123.

It is an arithmetic number, because the mean of its divisors is an integer number (1790824165).

Almost surely, 2^7438808061 is an apocalyptic number.

It is an amenable number.

7438808061 is a deficient number, since it is larger than the sum of its proper divisors (3306136929).

7438808061 is a wasteful number, since it uses less digits than its factorization.

7438808061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826534235 (or 826534232 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 7438808061 is about 86248.5249786917. The cubic root of 7438808061 is about 1952.0957578277.

The spelling of 7438808061 in words is "seven billion, four hundred thirty-eight million, eight hundred eight thousand, sixty-one".