99794993572 has 48 divisors (see below), whose sum is σ = 189256015872. Its totient is φ = 45922171680.

The previous prime is 99794993569. The next prime is 99794993591. The reversal of 99794993572 is 27539949799.

It is a junction number, because it is equal to n+sod(n) for n = 99794993495 and 99794993504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76797 + ... + 453307.

It is an arithmetic number, because the mean of its divisors is an integer number (3942833664).

Almost surely, 2^99794993572 is an apocalyptic number.

99794993572 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

99794993572 is the 168858-th centered heptagonal number.

It is an amenable number.

99794993572 is a deficient number, since it is larger than the sum of its proper divisors (89461022300).

99794993572 is a wasteful number, since it uses less digits than its factorization.

99794993572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376648 (or 376646 counting only the distinct ones).

The product of its digits is 347208120, while the sum is 73.

The spelling of 99794993572 in words is "ninety-nine billion, seven hundred ninety-four million, nine hundred ninety-three thousand, five hundred seventy-two".