86770510625 has 40 divisors (see below), whose sum is σ = 109878283944. Its totient is φ = 68493824000.

The previous prime is 86770510583. The next prime is 86770510643. The reversal of 86770510625 is 52601507768.

It can be written as a sum of positive squares in 20 ways, for example, as 74872282384 + 11898228241 = 273628^2 + 109079^2 .

It is not a de Polignac number, because 86770510625 - 2¹⁰ = 86770509601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86770510625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16452989 + ... + 16458261.

Almost surely, 2^86770510625 is an apocalyptic number.

It is an amenable number.

86770510625 is a deficient number, since it is larger than the sum of its proper divisors (23107773319).

86770510625 is a wasteful number, since it uses less digits than its factorization.

86770510625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5639 (or 5624 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 86770510625 in words is "eighty-six billion, seven hundred seventy million, five hundred ten thousand, six hundred twenty-five".