86570516 has 12 divisors (see below), whose sum is σ = 155193780. Its totient is φ = 42229440.

The previous prime is 86570503. The next prime is 86570521. The reversal of 86570516 is 61507568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9060100 + 77510416 = 3010^2 + 8804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86570516.

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, 263771 + ... + 264098.

It is an arithmetic number, because the mean of its divisors is an integer number (12932815).

Almost surely, 2^86570516 is an apocalyptic number.

It is an amenable number.

86570516 is a deficient number, since it is larger than the sum of its proper divisors (68623264).

86570516 is a wasteful number, since it uses less digits than its factorization.

86570516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527914 (or 527912 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 86570516 is about 9304.3278102182. The cubic root of 86570516 is about 442.3744157221.

The spelling of 86570516 in words is "eighty-six million, five hundred seventy thousand, five hundred sixteen".