86740863 has 16 divisors (see below), whose sum is σ = 127900416. Its totient is φ = 51848640.

The previous prime is 86740861. The next prime is 86740891. The reversal of 86740863 is 36804768.

It is not a de Polignac number, because 86740863 - 2¹ = 86740861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86740861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15595 + ... + 20412.

It is an arithmetic number, because the mean of its divisors is an integer number (7993776).

Almost surely, 2^86740863 is an apocalyptic number.

86740863 is a deficient number, since it is larger than the sum of its proper divisors (41159553).

86740863 is a wasteful number, since it uses less digits than its factorization.

86740863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36094.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 86740863 is about 9313.4774923226. The cubic root of 86740863 is about 442.6643827325.

The spelling of 86740863 in words is "eighty-six million, seven hundred forty thousand, eight hundred sixty-three".