89487871550 has 48 divisors (see below), whose sum is σ = 207518896512. Its totient is φ = 27892322400.

The previous prime is 89487871537. The next prime is 89487871553. The reversal of 89487871550 is 5517878498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89487871553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11617952 + ... + 11625651.

It is an arithmetic number, because the mean of its divisors is an integer number (4323310344).

Almost surely, 2^89487871550 is an apocalyptic number.

89487871550 is an abundant number, since it is smaller than the sum of its proper divisors (118031024962).

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

89487871550 is a wasteful number, since it uses less digits than its factorization.

89487871550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23243633 (or 23243628 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 62.

The spelling of 89487871550 in words is "eighty-nine billion, four hundred eighty-seven million, eight hundred seventy-one thousand, five hundred fifty".