99980796 has 24 divisors (see below), whose sum is σ = 238979664. Its totient is φ = 32513920.

The previous prime is 99980789. The next prime is 99980813. The reversal of 99980796 is 69708999.

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, 101115 + ... + 102098.

It is an arithmetic number, because the mean of its divisors is an integer number (9957486).

Almost surely, 2^99980796 is an apocalyptic number.

It is an amenable number.

99980796 is an abundant number, since it is smaller than the sum of its proper divisors (138998868).

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

99980796 is a wasteful number, since it uses less digits than its factorization.

99980796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203261 (or 203259 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 99980796 is about 9999.0397538964. The cubic root of 99980796 is about 464.1291691018.

The spelling of 99980796 in words is "ninety-nine million, nine hundred eighty thousand, seven hundred ninety-six".