99763471454257 has 8 divisors (see below), whose sum is σ = 108158642260200. Its totient is φ = 91471308879360.

The previous prime is 99763471454221. The next prime is 99763471454281. The reversal of 99763471454257 is 75245417436799.

It can be written as a sum of positive squares in 4 ways, for example, as 5859309201201 + 93904162253056 = 2420601^2 + 9690416^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99763471454257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99763471454257.

It is not an unprimeable number, because it can be changed into a prime (99763471454357) 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, 25752055744 + ... + 25752059617.

It is an arithmetic number, because the mean of its divisors is an integer number (13519830282525).

Almost surely, 2^{99763471454257} is an apocalyptic number.

It is an amenable number.

99763471454257 is a deficient number, since it is larger than the sum of its proper divisors (8395170805943).

99763471454257 is a wasteful number, since it uses less digits than its factorization.

99763471454257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51504115523.

The product of its digits is 1600300800, while the sum is 73.

The spelling of 99763471454257 in words is "ninety-nine trillion, seven hundred sixty-three billion, four hundred seventy-one million, four hundred fifty-four thousand, two hundred fifty-seven".