86859963 has 12 divisors (see below), whose sum is σ = 132068040. Its totient is φ = 54858816.

The previous prime is 86859917. The next prime is 86859967. The reversal of 86859963 is 36995868.

It is not a de Polignac number, because 86859963 - 2¹⁶ = 86794427 is a prime.

It is a super-2 number, since 2×86859963² = 15089306344722738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86859967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253806 + ... + 254147.

It is an arithmetic number, because the mean of its divisors is an integer number (11005670).

Almost surely, 2^86859963 is an apocalyptic number.

86859963 is a deficient number, since it is larger than the sum of its proper divisors (45208077).

86859963 is a wasteful number, since it uses less digits than its factorization.

86859963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507978 (or 507975 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 86859963 is about 9319.8692587396. The cubic root of 86859963 is about 442.8668909652.

The spelling of 86859963 in words is "eighty-six million, eight hundred fifty-nine thousand, nine hundred sixty-three".