86031770 has 16 divisors (see below), whose sum is σ = 168935328. Its totient is φ = 31284240.

The previous prime is 86031763. The next prime is 86031787. The reversal of 86031770 is 7713068.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390944 + ... + 391163.

It is an arithmetic number, because the mean of its divisors is an integer number (10558458).

Almost surely, 2^86031770 is an apocalyptic number.

86031770 is a deficient number, since it is larger than the sum of its proper divisors (82903558).

86031770 is a wasteful number, since it uses less digits than its factorization.

86031770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782125.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 86031770 is about 9275.3312609308. The cubic root of 86031770 is about 441.4548434043.

The spelling of 86031770 in words is "eighty-six million, thirty-one thousand, seven hundred seventy".