86770772 has 24 divisors (see below), whose sum is σ = 170133600. Its totient is φ = 38374560.

The previous prime is 86770753. The next prime is 86770781. The reversal of 86770772 is 27707768.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 25022 + ... + 28277.

It is an arithmetic number, because the mean of its divisors is an integer number (7088900).

Almost surely, 2^86770772 is an apocalyptic number.

It is an amenable number.

86770772 is a deficient number, since it is larger than the sum of its proper divisors (83362828).

86770772 is a wasteful number, since it uses less digits than its factorization.

86770772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53351 (or 53349 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 86770772 is about 9315.0830377405. The cubic root of 86770772 is about 442.7152550555.

The spelling of 86770772 in words is "eighty-six million, seven hundred seventy thousand, seven hundred seventy-two".