87867579 has 8 divisors (see below), whose sum is σ = 119142720. Its totient is φ = 57585416.

The previous prime is 87867569. The next prime is 87867583. The reversal of 87867579 is 97576878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87867579 - 2⁸ = 87867323 is a prime.

It is a super-2 number, since 2×87867579² = 15441422878642482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87867569) 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, 248037 + ... + 248390.

It is an arithmetic number, because the mean of its divisors is an integer number (14892840).

Almost surely, 2^87867579 is an apocalyptic number.

87867579 is a deficient number, since it is larger than the sum of its proper divisors (31275141).

87867579 is a wasteful number, since it uses less digits than its factorization.

87867579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496489.

The product of its digits is 5927040, while the sum is 57.

The square root of 87867579 is about 9373.7707994168. The cubic root of 87867579 is about 444.5727987868.

The spelling of 87867579 in words is "eighty-seven million, eight hundred sixty-seven thousand, five hundred seventy-nine".