99120454676 has 6 divisors (see below), whose sum is σ = 173460795690. Its totient is φ = 49560227336.

The previous prime is 99120454639. The next prime is 99120454681. The reversal of 99120454676 is 67645402199.

It can be written as a sum of positive squares in only one way, i.e., 98895154576 + 225300100 = 314476^2 + 15010^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12390056831 + ... + 12390056838.

It is an arithmetic number, because the mean of its divisors is an integer number (28910132615).

Almost surely, 2^99120454676 is an apocalyptic number.

It is an amenable number.

99120454676 is a deficient number, since it is larger than the sum of its proper divisors (74340341014).

99120454676 is a wasteful number, since it uses less digits than its factorization.

99120454676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780113673 (or 24780113671 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 99120454676 in words is "ninety-nine billion, one hundred twenty million, four hundred fifty-four thousand, six hundred seventy-six".