86511042 has 24 divisors (see below), whose sum is σ = 187687344. Its totient is φ = 28799064.

The previous prime is 86511041. The next prime is 86511043. The reversal of 86511042 is 24011568.

86511042 is a `hidden beast` number, since 8 + 651 + 1 + 0 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (86511041) and next prime (86511043).

It is a junction number, because it is equal to n+sod(n) for n = 86510997 and 86511015.

It is not an unprimeable number, because it can be changed into a prime (86511041) 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, 13173 + ... + 18615.

It is an arithmetic number, because the mean of its divisors is an integer number (7820306).

Almost surely, 2^86511042 is an apocalyptic number.

86511042 is an abundant number, since it is smaller than the sum of its proper divisors (101176302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86511042 is a wasteful number, since it uses less digits than its factorization.

86511042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6331 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 86511042 is about 9301.1312215235. The cubic root of 86511042 is about 442.2730886789.

The spelling of 86511042 in words is "eighty-six million, five hundred eleven thousand, forty-two".