86693542 has 16 divisors (see below), whose sum is σ = 147414960. Its totient is φ = 37906272.

The previous prime is 86693533. The next prime is 86693543. The reversal of 86693542 is 24539668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86693543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87253 + ... + 88240.

It is an arithmetic number, because the mean of its divisors is an integer number (9213435).

Almost surely, 2^86693542 is an apocalyptic number.

86693542 is a deficient number, since it is larger than the sum of its proper divisors (60721418).

86693542 is a wasteful number, since it uses less digits than its factorization.

86693542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175527.

The product of its digits is 311040, while the sum is 43.

The square root of 86693542 is about 9310.9366875734. The cubic root of 86693542 is about 442.5838703846.

The spelling of 86693542 in words is "eighty-six million, six hundred ninety-three thousand, five hundred forty-two".