86242770 has 48 divisors (see below), whose sum is σ = 224864640. Its totient is φ = 22933152.

The previous prime is 86242763. The next prime is 86242771. The reversal of 86242770 is 7724268.

86242770 is a `hidden beast` number, since 8 + 624 + 27 + 7 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86242771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36567 + ... + 38853.

It is an arithmetic number, because the mean of its divisors is an integer number (4684680).

Almost surely, 2^86242770 is an apocalyptic number.

86242770 is an abundant number, since it is smaller than the sum of its proper divisors (138621870).

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

86242770 is a wasteful number, since it uses less digits than its factorization.

86242770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 86242770 is about 9286.6985522305. The cubic root of 86242770 is about 441.8154502101.

The spelling of 86242770 in words is "eighty-six million, two hundred forty-two thousand, seven hundred seventy".