99977703 has 32 divisors (see below), whose sum is σ = 158645760. Its totient is φ = 54794880.

The previous prime is 99977693. The next prime is 99977707. The reversal of 99977703 is 30777999.

It is not a de Polignac number, because 99977703 - 2²⁵ = 66423271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99977707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109776 + ... + 110682.

It is an arithmetic number, because the mean of its divisors is an integer number (4957680).

Almost surely, 2^99977703 is an apocalyptic number.

99977703 is a deficient number, since it is larger than the sum of its proper divisors (58668057).

99977703 is a wasteful number, since it uses less digits than its factorization.

99977703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 750141, while the sum is 51.

The square root of 99977703 is about 9998.8850878485. The cubic root of 99977703 is about 464.1243829616.

The spelling of 99977703 in words is "ninety-nine million, nine hundred seventy-seven thousand, seven hundred three".