86710077 has 12 divisors (see below), whose sum is σ = 125652124. Its totient is φ = 57620160.

The previous prime is 86710049. The next prime is 86710093. The reversal of 86710077 is 77001768.

It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 80084601 = 2574^2 + 8949^2 .

It is not a de Polignac number, because 86710077 - 2¹¹ = 86708029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86710577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12574 + ... + 18207.

Almost surely, 2^86710077 is an apocalyptic number.

It is an amenable number.

86710077 is a deficient number, since it is larger than the sum of its proper divisors (38942047).

86710077 is a wasteful number, since it uses less digits than its factorization.

86710077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100 (or 31097 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 86710077 is about 9311.8245795333. The cubic root of 86710077 is about 442.6120065022.

The spelling of 86710077 in words is "eighty-six million, seven hundred ten thousand, seventy-seven".