86770523 has 24 divisors (see below), whose sum is σ = 105267600. Its totient is φ = 71227968.

The previous prime is 86770493. The next prime is 86770531. The reversal of 86770523 is 32507768.

It is a happy number.

It is not a de Polignac number, because 86770523 - 2⁶ = 86770459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86770543) 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, 322433 + ... + 322701.

It is an arithmetic number, because the mean of its divisors is an integer number (4386150).

Almost surely, 2^86770523 is an apocalyptic number.

86770523 is a deficient number, since it is larger than the sum of its proper divisors (18497077).

86770523 is a wasteful number, since it uses less digits than its factorization.

86770523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 86770523 is about 9315.0696723106. The cubic root of 86770523 is about 442.7148315788.

The spelling of 86770523 in words is "eighty-six million, seven hundred seventy thousand, five hundred twenty-three".