87620448 has 96 divisors (see below), whose sum is σ = 248373216. Its totient is φ = 26943488.

The previous prime is 87620447. The next prime is 87620473. The reversal of 87620448 is 84402678.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87620441) 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, 85990 + ... + 87002.

It is an arithmetic number, because the mean of its divisors is an integer number (2587221).

Almost surely, 2^87620448 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 87620448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124186608).

87620448 is an abundant number, since it is smaller than the sum of its proper divisors (160752768).

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

87620448 is a wasteful number, since it uses less digits than its factorization.

87620448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 87620448 is about 9360.5794692423. The cubic root of 87620448 is about 444.1556146360.

The spelling of 87620448 in words is "eighty-seven million, six hundred twenty thousand, four hundred forty-eight".