99752573061 has 8 divisors (see below), whose sum is σ = 147781589760. Its totient is φ = 66501715356.

The previous prime is 99752573057. The next prime is 99752573077. The reversal of 99752573061 is 16037525799.

99752573061 is a `hidden beast` number, since 9 + 9 + 7 + 5 + 2 + 573 + 0 + 61 = 666.

It is not a de Polignac number, because 99752573061 - 2² = 99752573057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99752572989 and 99752573007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99752573561) 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, 1847269845 + ... + 1847269898.

It is an arithmetic number, because the mean of its divisors is an integer number (18472698720).

Almost surely, 2^99752573061 is an apocalyptic number.

It is an amenable number.

99752573061 is a deficient number, since it is larger than the sum of its proper divisors (48029016699).

99752573061 is a wasteful number, since it uses less digits than its factorization.

99752573061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3694539752 (or 3694539746 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 54.

The spelling of 99752573061 in words is "ninety-nine billion, seven hundred fifty-two million, five hundred seventy-three thousand, sixty-one".