87497859 has 32 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 54767232.

The previous prime is 87497857. The next prime is 87497863. The reversal of 87497859 is 95879478.

It is not a de Polignac number, because 87497859 - 2¹ = 87497857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87497799 and 87497808.

It is not an unprimeable number, because it can be changed into a prime (87497857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 629412 + ... + 629550.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^87497859 is an apocalyptic number.

87497859 is a deficient number, since it is larger than the sum of its proper divisors (36607101).

87497859 is a wasteful number, since it uses less digits than its factorization.

87497859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339.

The product of its digits is 5080320, while the sum is 57.

The square root of 87497859 is about 9354.0290249710. The cubic root of 87497859 is about 443.9483798847.

The spelling of 87497859 in words is "eighty-seven million, four hundred ninety-seven thousand, eight hundred fifty-nine".