99043978702 has 8 divisors (see below), whose sum is σ = 151001475912. Its totient is φ = 48710153400.

The previous prime is 99043978697. The next prime is 99043978717. The reversal of 99043978702 is 20787934099.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405917824 + ... + 405918067.

It is an arithmetic number, because the mean of its divisors is an integer number (18875184489).

Almost surely, 2^99043978702 is an apocalyptic number.

99043978702 is a deficient number, since it is larger than the sum of its proper divisors (51957497210).

99043978702 is a wasteful number, since it uses less digits than its factorization.

99043978702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811835954.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 99043978702 in words is "ninety-nine billion, forty-three million, nine hundred seventy-eight thousand, seven hundred two".