99457228959 has 16 divisors (see below), whose sum is σ = 148029366144. Its totient is φ = 58875314400.

The previous prime is 99457228919. The next prime is 99457228999. The reversal of 99457228959 is 95982275499.

It is an interprime number because it is at equal distance from previous prime (99457228919) and next prime (99457228999).

It is not a de Polignac number, because 99457228959 - 2¹² = 99457224863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99457228893 and 99457228902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99457228919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35043412 + ... + 35046249.

It is an arithmetic number, because the mean of its divisors is an integer number (9251835384).

Almost surely, 2^99457228959 is an apocalyptic number.

99457228959 is a deficient number, since it is larger than the sum of its proper divisors (48572137185).

99457228959 is a wasteful number, since it uses less digits than its factorization.

99457228959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70089718.

The product of its digits is 146966400, while the sum is 69.

The spelling of 99457228959 in words is "ninety-nine billion, four hundred fifty-seven million, two hundred twenty-eight thousand, nine hundred fifty-nine".