956991475 has 24 divisors (see below), whose sum is σ = 1350842112. Its totient is φ = 665728800.

The previous prime is 956991461. The next prime is 956991481. The reversal of 956991475 is 574199659.

It is not a de Polignac number, because 956991475 - 2¹¹ = 956989427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69327 + ... + 81976.

It is an arithmetic number, because the mean of its divisors is an integer number (56285088).

Almost surely, 2^956991475 is an apocalyptic number.

956991475 is a deficient number, since it is larger than the sum of its proper divisors (393850637).

956991475 is a wasteful number, since it uses less digits than its factorization.

956991475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151347 (or 151342 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The square root of 956991475 is about 30935.2788091525. The cubic root of 956991475 is about 985.4532429295.

The spelling of 956991475 in words is "nine hundred fifty-six million, nine hundred ninety-one thousand, four hundred seventy-five".