961427715 has 64 divisors (see below), whose sum is σ = 1648512000. Its totient is φ = 477407744.

The previous prime is 961427699. The next prime is 961427743. The reversal of 961427715 is 517724169.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 961427715 - 2⁴ = 961427699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3032737 + ... + 3033053.

It is an arithmetic number, because the mean of its divisors is an integer number (25758000).

Almost surely, 2^961427715 is an apocalyptic number.

961427715 is a deficient number, since it is larger than the sum of its proper divisors (687084285).

961427715 is a wasteful number, since it uses less digits than its factorization.

961427715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its digits is 105840, while the sum is 42.

The square root of 961427715 is about 31006.8978616049. The cubic root of 961427715 is about 986.9736219416.

The spelling of 961427715 in words is "nine hundred sixty-one million, four hundred twenty-seven thousand, seven hundred fifteen".