99674390765 has 8 divisors (see below), whose sum is σ = 119723297400. Its totient is φ = 79663493632.

The previous prime is 99674390729. The next prime is 99674390779. The reversal of 99674390765 is 56709347699.

It can be written as a sum of positive squares in 4 ways, for example, as 2815257481 + 96859133284 = 53059^2 + 311222^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99674390765 - 2¹⁰ = 99674389741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9496604 + ... + 9507093.

It is an arithmetic number, because the mean of its divisors is an integer number (14965412175).

Almost surely, 2^99674390765 is an apocalyptic number.

It is an amenable number.

99674390765 is a deficient number, since it is larger than the sum of its proper divisors (20048906635).

99674390765 is a wasteful number, since it uses less digits than its factorization.

99674390765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004751.

The product of its (nonzero) digits is 77157360, while the sum is 65.

The spelling of 99674390765 in words is "ninety-nine billion, six hundred seventy-four million, three hundred ninety thousand, seven hundred sixty-five".