99319045057 has 8 divisors (see below), whose sum is σ = 100351236776. Its totient is φ = 98287022592.

The previous prime is 99319045051. The next prime is 99319045081. The reversal of 99319045057 is 75054091399.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4281870096 + 95037174961 = 65436^2 + 308281^2 .

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 99319045057 - 2³⁵ = 64959306689 is a prime.

It is a super-2 number, since 2×99319045057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99319044995 and 99319045013.

It is not an unprimeable number, because it can be changed into a prime (99319045051) 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, 1386403 + ... + 1456279.

It is an arithmetic number, because the mean of its divisors is an integer number (12543904597).

Almost surely, 2^99319045057 is an apocalyptic number.

99319045057 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

99319045057 is the 181952-nd hex number.

It is an amenable number.

99319045057 is a deficient number, since it is larger than the sum of its proper divisors (1032191719).

99319045057 is a wasteful number, since it uses less digits than its factorization.

99319045057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84627.

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 99319045057 in words is "ninety-nine billion, three hundred nineteen million, forty-five thousand, fifty-seven".