961957628572 has 12 divisors (see below), whose sum is σ = 1683456709816. Its totient is φ = 480969997200.

The previous prime is 961957628551. The next prime is 961957628627. The reversal of 961957628572 is 275826759169.

It is a junction number, because it is equal to n+sod(n) for n = 961957628498 and 961957628507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1955679 + ... + 2397622.

Almost surely, 2^961957628572 is an apocalyptic number.

It is an amenable number.

961957628572 is a deficient number, since it is larger than the sum of its proper divisors (721499081244).

961957628572 is a wasteful number, since it uses less digits than its factorization.

961957628572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408548 (or 4408546 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 67.

The spelling of 961957628572 in words is "nine hundred sixty-one billion, nine hundred fifty-seven million, six hundred twenty-eight thousand, five hundred seventy-two".