87377488 has 50 divisors (see below), whose sum is σ = 186721370. Its totient is φ = 39610560.

The previous prime is 87377473. The next prime is 87377489. The reversal of 87377488 is 88477378.

It can be written as a sum of positive squares in only one way, i.e., 75898944 + 11478544 = 8712^2 + 3388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87377489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 234070 + ... + 234442.

Almost surely, 2^87377488 is an apocalyptic number.

87377488 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 87377488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93360685).

87377488 is an abundant number, since it is smaller than the sum of its proper divisors (99343882).

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

87377488 is an equidigital number, since it uses as much as digits as its factorization.

87377488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 386 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The square root of 87377488 is about 9347.5926312607. The cubic root of 87377488 is about 443.7447061988.

The spelling of 87377488 in words is "eighty-seven million, three hundred seventy-seven thousand, four hundred eighty-eight".