99802764 has 72 divisors (see below), whose sum is σ = 267566208. Its totient is φ = 31311360.

The previous prime is 99802757. The next prime is 99802793. The reversal of 99802764 is 46720899.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40084 + ... + 42500.

Almost surely, 2^99802764 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 99802764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133783104).

99802764 is an abundant number, since it is smaller than the sum of its proper divisors (167763444).

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

99802764 is a wasteful number, since it uses less digits than its factorization.

99802764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 99802764 is about 9990.1333324436. The cubic root of 99802764 is about 463.8535197058.

The spelling of 99802764 in words is "ninety-nine million, eight hundred two thousand, seven hundred sixty-four".