99750157 has 8 divisors (see below), whose sum is σ = 110888960. Its totient is φ = 89106480.

The previous prime is 99750137. The next prime is 99750163. The reversal of 99750157 is 75105799.

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 99750157 - 2²³ = 91361549 is a prime.

It is the 9988-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99750127) by changing a digit.

It is a nontrivial repunit in base 9987.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123357 + ... + 124162.

It is an arithmetic number, because the mean of its divisors is an integer number (13861120).

Almost surely, 2^99750157 is an apocalyptic number.

It is an amenable number.

99750157 is a deficient number, since it is larger than the sum of its proper divisors (11138803).

99750157 is a wasteful number, since it uses less digits than its factorization.

99750157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247563.

The product of its (nonzero) digits is 99225, while the sum is 43.

The square root of 99750157 is about 9987.5000375469. The cubic root of 99750157 is about 463.7720048262.

The spelling of 99750157 in words is "ninety-nine million, seven hundred fifty thousand, one hundred fifty-seven".