6897470957 has 8 divisors (see below), whose sum is σ = 7428923040. Its totient is φ = 6366144240.

The previous prime is 6897470941. The next prime is 6897470977. The reversal of 6897470957 is 7590747986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6897470957 - 2⁴ = 6897470941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6897470957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897470977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104894 + ... + 157472.

It is an arithmetic number, because the mean of its divisors is an integer number (928615380).

Almost surely, 2^6897470957 is an apocalyptic number.

It is an amenable number.

6897470957 is a deficient number, since it is larger than the sum of its proper divisors (531452083).

6897470957 is a wasteful number, since it uses less digits than its factorization.

6897470957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62683.

The product of its (nonzero) digits is 26671680, while the sum is 62.

The square root of 6897470957 is about 83051.0141840544. The cubic root of 6897470957 is about 1903.5456375453.

It can be divided in two parts, 68974 and 70957, that added together give a palindrome (139931).

The spelling of 6897470957 in words is "six billion, eight hundred ninety-seven million, four hundred seventy thousand, nine hundred fifty-seven".