87876558 has 192 divisors, whose sum is σ = 258785280. Its totient is φ = 20865600.

The previous prime is 87876557. The next prime is 87876589. The reversal of 87876558 is 85567878.

It is a happy number.

87876558 is a `hidden beast` number, since 8 + 7 + 87 + 6 + 558 = 666.

Its product of digits (3763200) is a multiple of the sum of its prime divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87876557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1237663 + ... + 1237733.

It is an arithmetic number, because the mean of its divisors is an integer number (1347840).

Almost surely, 2^87876558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87876558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129392640).

87876558 is an abundant number, since it is smaller than the sum of its proper divisors (170908722).

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

87876558 is a wasteful number, since it uses less digits than its factorization.

87876558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 160 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 54.

The square root of 87876558 is about 9374.2497299784. The cubic root of 87876558 is about 444.5879415856.

The spelling of 87876558 in words is "eighty-seven million, eight hundred seventy-six thousand, five hundred fifty-eight".