86263287 has 32 divisors (see below), whose sum is σ = 139864320. Its totient is φ = 46609920.

The previous prime is 86263273. The next prime is 86263319. The reversal of 86263287 is 78236268.

It is not a de Polignac number, because 86263287 - 2¹⁰ = 86262263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86263267) 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, 6613 + ... + 14705.

It is an arithmetic number, because the mean of its divisors is an integer number (4370760).

Almost surely, 2^86263287 is an apocalyptic number.

86263287 is a deficient number, since it is larger than the sum of its proper divisors (53601033).

86263287 is a wasteful number, since it uses less digits than its factorization.

86263287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143.

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

The square root of 86263287 is about 9287.8031309885. The cubic root of 86263287 is about 441.8504831327.

The spelling of 86263287 in words is "eighty-six million, two hundred sixty-three thousand, two hundred eighty-seven".