86308770 has 16 divisors (see below), whose sum is σ = 207141120. Its totient is φ = 23015664.

The previous prime is 86308763. The next prime is 86308771. The reversal of 86308770 is 7780368.

It is not an unprimeable number, because it can be changed into a prime (86308771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438450 + ... + 1438509.

It is an arithmetic number, because the mean of its divisors is an integer number (12946320).

Almost surely, 2^86308770 is an apocalyptic number.

86308770 is an abundant number, since it is smaller than the sum of its proper divisors (120832350).

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

86308770 is a wasteful number, since it uses less digits than its factorization.

86308770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876969.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 86308770 is about 9290.2513421328. The cubic root of 86308770 is about 441.9281258751.

It can be divided in two parts, 86308 and 770, that added together give a palindrome (87078).

The spelling of 86308770 in words is "eighty-six million, three hundred eight thousand, seven hundred seventy".