7641897793 has 16 divisors (see below), whose sum is σ = 8457940800. Its totient is φ = 6875426880.

The previous prime is 7641897787. The next prime is 7641897797. The reversal of 7641897793 is 3977981467.

7641897793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7641897793 - 2¹³ = 7641889601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7641897797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80071 + ... + 147292.

It is an arithmetic number, because the mean of its divisors is an integer number (528621300).

Almost surely, 2^7641897793 is an apocalyptic number.

It is an amenable number.

7641897793 is a deficient number, since it is larger than the sum of its proper divisors (816043007).

7641897793 is a wasteful number, since it uses less digits than its factorization.

7641897793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227472.

The product of its digits is 16003008, while the sum is 61.

The square root of 7641897793 is about 87417.9489178281. The cubic root of 7641897793 is about 1969.7014666971.

The spelling of 7641897793 in words is "seven billion, six hundred forty-one million, eight hundred ninety-seven thousand, seven hundred ninety-three".