86780244 has 48 divisors (see below), whose sum is σ = 209080256. Its totient is φ = 27993600.

The previous prime is 86780233. The next prime is 86780249. The reversal of 86780244 is 44208768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86780249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106599 + ... + 107409.

Almost surely, 2^86780244 is an apocalyptic number.

It is an amenable number.

86780244 is an abundant number, since it is smaller than the sum of its proper divisors (122300012).

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

86780244 is a wasteful number, since it uses less digits than its factorization.

86780244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 86780244 is about 9315.5914466018. The cubic root of 86780244 is about 442.7313635762.

The spelling of 86780244 in words is "eighty-six million, seven hundred eighty thousand, two hundred forty-four".