87157488 has 80 divisors (see below), whose sum is σ = 256340736. Its totient is φ = 25259520.

The previous prime is 87157481. The next prime is 87157501. The reversal of 87157488 is 88475178.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87157481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8556 + ... + 15732.

Almost surely, 2^87157488 is an apocalyptic number.

87157488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87157488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128170368).

87157488 is an abundant number, since it is smaller than the sum of its proper divisors (169183248).

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

87157488 is a wasteful number, since it uses less digits than its factorization.

87157488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222 (or 7216 counting only the distinct ones).

The product of its digits is 501760, while the sum is 48.

The square root of 87157488 is about 9335.8174789356. The cubic root of 87157488 is about 443.3719714316.

The spelling of 87157488 in words is "eighty-seven million, one hundred fifty-seven thousand, four hundred eighty-eight".