86042487 has 4 divisors (see below), whose sum is σ = 114723320. Its totient is φ = 57361656.

The previous prime is 86042483. The next prime is 86042533. The reversal of 86042487 is 78424068.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86042487 - 2² = 86042483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86042483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14340412 + ... + 14340417.

It is an arithmetic number, because the mean of its divisors is an integer number (28680830).

Almost surely, 2^86042487 is an apocalyptic number.

86042487 is a deficient number, since it is larger than the sum of its proper divisors (28680833).

86042487 is a wasteful number, since it uses less digits than its factorization.

86042487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28680832.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 86042487 is about 9275.9089581561. The cubic root of 86042487 is about 441.4731733581.

The spelling of 86042487 in words is "eighty-six million, forty-two thousand, four hundred eighty-seven".