99377697 has 8 divisors (see below), whose sum is σ = 132598656. Its totient is φ = 66204272.

The previous prime is 99377659. The next prime is 99377701. The reversal of 99377697 is 79677399.

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 99377697 - 2⁷ = 99377569 is a prime.

It is a super-2 number, since 2×99377697² = 19751853322047618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99377647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6678 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (16574832).

Almost surely, 2^99377697 is an apocalyptic number.

It is an amenable number.

99377697 is a deficient number, since it is larger than the sum of its proper divisors (33220959).

99377697 is a wasteful number, since it uses less digits than its factorization.

99377697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23767.

The product of its digits is 4500846, while the sum is 57.

The square root of 99377697 is about 9968.8362911626. The cubic root of 99377697 is about 463.1940543129.

The spelling of 99377697 in words is "ninety-nine million, three hundred seventy-seven thousand, six hundred ninety-seven".