86534019 has 48 divisors (see below), whose sum is σ = 149071104. Its totient is φ = 47678400.

The previous prime is 86533987. The next prime is 86534047. The reversal of 86534019 is 91043568.

It is not a de Polignac number, because 86534019 - 2⁵ = 86533987 is a prime.

It is a super-2 number, since 2×86534019² = 14976272888584722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86534219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90904 + ... + 91850.

It is an arithmetic number, because the mean of its divisors is an integer number (3105648).

Almost surely, 2^86534019 is an apocalyptic number.

86534019 is a deficient number, since it is larger than the sum of its proper divisors (62537085).

86534019 is a wasteful number, since it uses less digits than its factorization.

86534019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 86534019 is about 9302.3663118585. The cubic root of 86534019 is about 442.3122405566.

The spelling of 86534019 in words is "eighty-six million, five hundred thirty-four thousand, nineteen".