99752573078 has 16 divisors (see below), whose sum is σ = 156631034880. Its totient is φ = 47587549800.

The previous prime is 99752573077. The next prime is 99752573101. The reversal of 99752573078 is 87037525799.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 99752573078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99752573077) 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, 11325968 + ... + 11334771.

It is an arithmetic number, because the mean of its divisors is an integer number (9789439680).

Almost surely, 2^99752573078 is an apocalyptic number.

99752573078 is a deficient number, since it is larger than the sum of its proper divisors (56878461802).

99752573078 is a wasteful number, since it uses less digits than its factorization.

99752573078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22660843.

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 99752573078 in words is "ninety-nine billion, seven hundred fifty-two million, five hundred seventy-three thousand, seventy-eight".