99764335675894 has 4 divisors (see below), whose sum is σ = 149646503513844. Its totient is φ = 49882167837946.

The previous prime is 99764335675867. The next prime is 99764335675957. The reversal of 99764335675894 is 49857653346799.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (85) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24941083918972 + ... + 24941083918975.

It is an arithmetic number, because the mean of its divisors is an integer number (37411625878461).

Almost surely, 2^{99764335675894} is an apocalyptic number.

99764335675894 is a deficient number, since it is larger than the sum of its proper divisors (49882167837950).

99764335675894 is a wasteful number, since it uses less digits than its factorization.

99764335675894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49882167837949.

The product of its digits is 37035532800, while the sum is 85.

The spelling of 99764335675894 in words is "ninety-nine trillion, seven hundred sixty-four billion, three hundred thirty-five million, six hundred seventy-five thousand, eight hundred ninety-four".