85354976961 has 8 divisors (see below), whose sum is σ = 126451817760. Its totient is φ = 56903317956.

The previous prime is 85354976921. The next prime is 85354976977. The reversal of 85354976961 is 16967945358.

85354976961 is a `hidden beast` number, since 8 + 53 + 5 + 497 + 6 + 96 + 1 = 666.

It is not a de Polignac number, because 85354976961 - 2¹⁸ = 85354714817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85354976911) 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, 1580647695 + ... + 1580647748.

It is an arithmetic number, because the mean of its divisors is an integer number (15806477220).

Almost surely, 2^85354976961 is an apocalyptic number.

It is an amenable number.

85354976961 is a deficient number, since it is larger than the sum of its proper divisors (41096840799).

85354976961 is a wasteful number, since it uses less digits than its factorization.

85354976961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161295452 (or 3161295446 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

It can be divided in two parts, 8535497 and 6961, that added together give a palindrome (8542458).

The spelling of 85354976961 in words is "eighty-five billion, three hundred fifty-four million, nine hundred seventy-six thousand, nine hundred sixty-one".