86073813 has 32 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 48973248.

The previous prime is 86073811. The next prime is 86073821. The reversal of 86073813 is 31837068.

86073813 is a `hidden beast` number, since 8 + 607 + 38 + 13 = 666.

It is not a de Polignac number, because 86073813 - 2¹ = 86073811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86073811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49995 + ... + 51687.

It is an arithmetic number, because the mean of its divisors is an integer number (4573800).

Almost surely, 2^86073813 is an apocalyptic number.

It is an amenable number.

86073813 is a deficient number, since it is larger than the sum of its proper divisors (60287787).

86073813 is a wasteful number, since it uses less digits than its factorization.

86073813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 86073813 is about 9277.5973721648. The cubic root of 86073813 is about 441.5267434455.

The spelling of 86073813 in words is "eighty-six million, seventy-three thousand, eight hundred thirteen".