99763872 has 48 divisors (see below), whose sum is σ = 282028320. Its totient is φ = 30696192.

The previous prime is 99763849. The next prime is 99763897. The reversal of 99763872 is 27836799.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38722 + ... + 41217.

It is an arithmetic number, because the mean of its divisors is an integer number (5875590).

Almost surely, 2^99763872 is an apocalyptic number.

It is an amenable number.

99763872 is an abundant number, since it is smaller than the sum of its proper divisors (182264448).

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

99763872 is a wasteful number, since it uses less digits than its factorization.

99763872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79965 (or 79957 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 99763872 is about 9988.1866222053. The cubic root of 99763872 is about 463.7932590669.

The spelling of 99763872 in words is "ninety-nine million, seven hundred sixty-three thousand, eight hundred seventy-two".