99791377 has 8 divisors (see below), whose sum is σ = 120756096. Its totient is φ = 80503872.

The previous prime is 99791359. The next prime is 99791389. The reversal of 99791377 is 77319799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99791377 - 2¹¹ = 99789329 is a prime.

It is a super-2 number, since 2×99791377² = 19916637847112258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99791327) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 419173 + ... + 419410.

It is an arithmetic number, because the mean of its divisors is an integer number (15094512).

Almost surely, 2^99791377 is an apocalyptic number.

It is an amenable number.

99791377 is a deficient number, since it is larger than the sum of its proper divisors (20964719).

99791377 is a wasteful number, since it uses less digits than its factorization.

99791377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838607.

The product of its digits is 750141, while the sum is 52.

The square root of 99791377 is about 9989.5634038731. The cubic root of 99791377 is about 463.8358779067.

The spelling of 99791377 in words is "ninety-nine million, seven hundred ninety-one thousand, three hundred seventy-seven".