5697997902 has 12 divisors (see below), whose sum is σ = 12345662160. Its totient is φ = 1899332628.

The previous prime is 5697997889. The next prime is 5697997909. The reversal of 5697997902 is 2097997965.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5697997902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5697997909) 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, 158277702 + ... + 158277737.

It is an arithmetic number, because the mean of its divisors is an integer number (1028805180).

Almost surely, 2^5697997902 is an apocalyptic number.

5697997902 is an abundant number, since it is smaller than the sum of its proper divisors (6647664258).

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

5697997902 is a wasteful number, since it uses less digits than its factorization.

5697997902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316555447 (or 316555444 counting only the distinct ones).

The product of its (nonzero) digits is 19289340, while the sum is 63.

The square root of 5697997902 is about 75485.0839702785. The cubic root of 5697997902 is about 1786.1068182065.

Adding to 5697997902 its sum of digits (63), we get a palindrome (5697997965).

The spelling of 5697997902 in words is "five billion, six hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred two".