957478786957 has 8 divisors (see below), whose sum is σ = 1193739786432. Its totient is φ = 746087366400.

The previous prime is 957478786939. The next prime is 957478786987. The reversal of 957478786957 is 759687874759.

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 957478786957 - 2⁷ = 957478786829 is a prime.

It is a super-3 number, since 3×957478786957³ (a number of 37 digits) contains 333 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 (957478786987) 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, 6217394644 + ... + 6217394797.

It is an arithmetic number, because the mean of its divisors is an integer number (149217473304).

Almost surely, 2^957478786957 is an apocalyptic number.

It is an amenable number.

957478786957 is a deficient number, since it is larger than the sum of its proper divisors (236260999475).

957478786957 is a wasteful number, since it uses less digits than its factorization.

957478786957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434789459.

The product of its digits is 7468070400, while the sum is 82.

The spelling of 957478786957 in words is "nine hundred fifty-seven billion, four hundred seventy-eight million, seven hundred eighty-six thousand, nine hundred fifty-seven".