87402888 has 160 divisors (see below), whose sum is σ = 267168000. Its totient is φ = 26593920.

The previous prime is 87402881. The next prime is 87402893. The reversal of 87402888 is 88820478.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87402881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 381558 + ... + 381786.

It is an arithmetic number, because the mean of its divisors is an integer number (1669800).

Almost surely, 2^87402888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87402888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133584000).

87402888 is an abundant number, since it is smaller than the sum of its proper divisors (179765112).

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

87402888 is a wasteful number, since it uses less digits than its factorization.

87402888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 87402888 is about 9348.9511711207. The cubic root of 87402888 is about 443.7876998189.

It can be divided in two parts, 8740 and 2888, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 87402888 in words is "eighty-seven million, four hundred two thousand, eight hundred eighty-eight".