86750235 has 144 divisors (see below), whose sum is σ = 191157408. Its totient is φ = 35942400.

The previous prime is 86750231. The next prime is 86750249. The reversal of 86750235 is 53205768.

It is not a de Polignac number, because 86750235 - 2² = 86750231 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 86750235.

It is not an unprimeable number, because it can be changed into a prime (86750231) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1422105 + ... + 1422165.

It is an arithmetic number, because the mean of its divisors is an integer number (1327482).

Almost surely, 2^86750235 is an apocalyptic number.

86750235 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

86750235 is the 7605-th pentagonal number.

86750235 is an abundant number, since it is smaller than the sum of its proper divisors (104407173).

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

86750235 is a wasteful number, since it uses less digits than its factorization.

86750235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 86750235 is about 9313.9806205510. The cubic root of 86750235 is about 442.6803248581.

The spelling of 86750235 in words is "eighty-six million, seven hundred fifty thousand, two hundred thirty-five".