85656564962 has 8 divisors (see below), whose sum is σ = 128490648300. Its totient is φ = 42826348864.

The previous prime is 85656564949. The next prime is 85656564991. The reversal of 85656564962 is 26946565658.

It can be written as a sum of positive squares in 2 ways, for example, as 85409478001 + 247086961 = 292249^2 + 15719^2 .

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

It is a super-2 number, since 2×85656564962² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85656564895 and 85656564904.

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, 910787 + ... + 1000422.

Almost surely, 2^85656564962 is an apocalyptic number.

85656564962 is a deficient number, since it is larger than the sum of its proper divisors (42834083338).

85656564962 is a wasteful number, since it uses less digits than its factorization.

85656564962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933620.

The product of its digits is 93312000, while the sum is 62.

The spelling of 85656564962 in words is "eighty-five billion, six hundred fifty-six million, five hundred sixty-four thousand, nine hundred sixty-two".