86515707380 has 12 divisors (see below), whose sum is σ = 181682985540. Its totient is φ = 34606282944.

The previous prime is 86515707371. The next prime is 86515707407. The reversal of 86515707380 is 8370751568.

It can be written as a sum of positive squares in 2 ways, for example, as 35234293264 + 51281414116 = 187708^2 + 226454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162892665 + ... + 2162892704.

It is an arithmetic number, because the mean of its divisors is an integer number (15140248795).

Almost surely, 2^86515707380 is an apocalyptic number.

It is an amenable number.

86515707380 is an abundant number, since it is smaller than the sum of its proper divisors (95167278160).

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

86515707380 is a wasteful number, since it uses less digits than its factorization.

86515707380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325785378 (or 4325785376 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 86515707380 in words is "eighty-six billion, five hundred fifteen million, seven hundred seven thousand, three hundred eighty".