85968780 has 24 divisors (see below), whose sum is σ = 240712752. Its totient is φ = 22924992.

The previous prime is 85968769. The next prime is 85968791. The reversal of 85968780 is 8786958.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85968769) and next prime (85968791).

It is a super-2 number, since 2×85968780² = 14781262269376800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716347 + ... + 716466.

It is an arithmetic number, because the mean of its divisors is an integer number (10029698).

Almost surely, 2^85968780 is an apocalyptic number.

It is an amenable number.

85968780 is an abundant number, since it is smaller than the sum of its proper divisors (154743972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85968780 is a wasteful number, since it uses less digits than its factorization.

85968780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432825 (or 1432823 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 85968780 is about 9271.9350731118. The cubic root of 85968780 is about 441.3470768978.

The spelling of 85968780 in words is "eighty-five million, nine hundred sixty-eight thousand, seven hundred eighty".