87220848 has 160 divisors (see below), whose sum is σ = 269482752. Its totient is φ = 23961600.

The previous prime is 87220843. The next prime is 87220871. The reversal of 87220848 is 84802278.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87220841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665743 + ... + 665873.

Almost surely, 2^87220848 is an apocalyptic number.

87220848 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 87220848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134741376).

87220848 is an abundant number, since it is smaller than the sum of its proper divisors (182261904).

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

87220848 is a wasteful number, since it uses less digits than its factorization.

87220848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 87220848 is about 9339.2102449832. The cubic root of 87220848 is about 443.4793832912.

The spelling of 87220848 in words is "eighty-seven million, two hundred twenty thousand, eight hundred forty-eight".