86042790 has 32 divisors (see below), whose sum is σ = 229448160. Its totient is φ = 22944672.

The previous prime is 86042779. The next prime is 86042791. The reversal of 86042790 is 9724068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86042791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159069 + ... + 159608.

It is an arithmetic number, because the mean of its divisors is an integer number (7170255).

Almost surely, 2^86042790 is an apocalyptic number.

86042790 is an abundant number, since it is smaller than the sum of its proper divisors (143405370).

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

86042790 is a wasteful number, since it uses less digits than its factorization.

86042790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318693 (or 318687 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 86042790 is about 9275.9252907729. The cubic root of 86042790 is about 441.4736915758.

The spelling of 86042790 in words is "eighty-six million, forty-two thousand, seven hundred ninety".