99807541254 has 16 divisors (see below), whose sum is σ = 221794536240. Its totient is φ = 33269180400.

The previous prime is 99807541231. The next prime is 99807541259. The reversal of 99807541254 is 45214570899.

It is a happy number.

99807541254 is a `hidden beast` number, since 9 + 98 + 0 + 7 + 541 + 2 + 5 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1848287801 = 99807541254 / (9 + 9 + 8 + 0 + 7 + 5 + 4 + 1 + 2 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 99807541254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99807541259) 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, 924143847 + ... + 924143954.

It is an arithmetic number, because the mean of its divisors is an integer number (13862158515).

Almost surely, 2^99807541254 is an apocalyptic number.

99807541254 is an abundant number, since it is smaller than the sum of its proper divisors (121986994986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99807541254 is a wasteful number, since it uses less digits than its factorization.

99807541254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848287812 (or 1848287806 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 99807541254 in words is "ninety-nine billion, eight hundred seven million, five hundred forty-one thousand, two hundred fifty-four".