99380751 has 8 divisors (see below), whose sum is σ = 132674304. Its totient is φ = 66170520.

The previous prime is 99380747. The next prime is 99380753. The reversal of 99380751 is 15708399.

It is a happy number.

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

It is not a de Polignac number, because 99380751 - 2² = 99380747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99380753) 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, 17991 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (16584288).

Almost surely, 2^99380751 is an apocalyptic number.

99380751 is a deficient number, since it is larger than the sum of its proper divisors (33293553).

99380751 is a wasteful number, since it uses less digits than its factorization.

99380751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41661.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 99380751 is about 9968.9894673432. The cubic root of 99380751 is about 463.1987991071.

The spelling of 99380751 in words is "ninety-nine million, three hundred eighty thousand, seven hundred fifty-one".