7738650631 has 16 divisors (see below), whose sum is σ = 8234516160. Its totient is φ = 7247393280.

The previous prime is 7738650613. The next prime is 7738650671. The reversal of 7738650631 is 1360568377.

It is a cyclic number.

It is not a de Polignac number, because 7738650631 - 2⁹ = 7738650119 is a prime.

It is a super-2 number, since 2×7738650631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7738650671) 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, 4635865 + ... + 4637533.

It is an arithmetic number, because the mean of its divisors is an integer number (514657260).

Almost surely, 2^7738650631 is an apocalyptic number.

7738650631 is a deficient number, since it is larger than the sum of its proper divisors (495865529).

7738650631 is a wasteful number, since it uses less digits than its factorization.

7738650631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 7738650631 is about 87969.6006072552. The cubic root of 7738650631 is about 1977.9793205938.

The spelling of 7738650631 in words is "seven billion, seven hundred thirty-eight million, six hundred fifty thousand, six hundred thirty-one".