7697998038 has 64 divisors (see below), whose sum is σ = 16637156352. Its totient is φ = 2365509120.

The previous prime is 7697997943. The next prime is 7697998039. The reversal of 7697998038 is 8308997967.

It is a self number, because there is not a number n which added to its sum of digits gives 7697998038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7697998039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5962173 + ... + 5963463.

It is an arithmetic number, because the mean of its divisors is an integer number (259955568).

Almost surely, 2^7697998038 is an apocalyptic number.

7697998038 is an abundant number, since it is smaller than the sum of its proper divisors (8939158314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7697998038 is a wasteful number, since it uses less digits than its factorization.

7697998038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The square root of 7697998038 is about 87738.2358951900. The cubic root of 7697998038 is about 1974.5096716225.

The spelling of 7697998038 in words is "seven billion, six hundred ninety-seven million, nine hundred ninety-eight thousand, thirty-eight".