99043978703 has 4 divisors (see below), whose sum is σ = 99045356640. Its totient is φ = 99042600768.

The previous prime is 99043978697. The next prime is 99043978717. The reversal of 99043978703 is 30787934099.

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

It is a cyclic number.

It is not a de Polignac number, because 99043978703 - 2⁴ = 99043978687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99043978723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574850 + ... + 727007.

It is an arithmetic number, because the mean of its divisors is an integer number (24761339160).

Almost surely, 2^99043978703 is an apocalyptic number.

99043978703 is a deficient number, since it is larger than the sum of its proper divisors (1377937).

99043978703 is a wasteful number, since it uses less digits than its factorization.

99043978703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377936.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 99043978703 in words is "ninety-nine billion, forty-three million, nine hundred seventy-eight thousand, seven hundred three".