86725380537 has 64 divisors (see below), whose sum is σ = 135544780800. Its totient is φ = 54695995200.

The previous prime is 86725380499. The next prime is 86725380671. The reversal of 86725380537 is 73508352768.

86725380537 is a `hidden beast` number, since 8 + 6 + 7 + 25 + 3 + 80 + 537 = 666.

It is not a de Polignac number, because 86725380537 - 2⁷ = 86725380409 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86725330537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59768662 + ... + 59770112.

It is an arithmetic number, because the mean of its divisors is an integer number (2117887200).

Almost surely, 2^86725380537 is an apocalyptic number.

It is an amenable number.

86725380537 is a deficient number, since it is larger than the sum of its proper divisors (48819400263).

86725380537 is a wasteful number, since it uses less digits than its factorization.

86725380537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 86725380537 in words is "eighty-six billion, seven hundred twenty-five million, three hundred eighty thousand, five hundred thirty-seven".