99800829156 has 24 divisors (see below), whose sum is σ = 266135544640. Its totient is φ = 28514522592.

The previous prime is 99800829131. The next prime is 99800829179. The reversal of 99800829156 is 65192800899.

It is a junction number, because it is equal to n+sod(n) for n = 99800829096 and 99800829105.

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, 594052471 + ... + 594052638.

Almost surely, 2^99800829156 is an apocalyptic number.

It is an amenable number.

99800829156 is an abundant number, since it is smaller than the sum of its proper divisors (166334715484).

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

99800829156 is a wasteful number, since it uses less digits than its factorization.

99800829156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188105123 (or 1188105121 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 57.

The spelling of 99800829156 in words is "ninety-nine billion, eight hundred million, eight hundred twenty-nine thousand, one hundred fifty-six".