99776 has 14 divisors (see below), whose sum is σ = 198120. Its totient is φ = 49856.

The previous prime is 99767. The next prime is 99787. The reversal of 99776 is 67799.

It is a nialpdrome in base 10.

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, 716 + ... + 843.

2⁹⁹⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

99776 is a deficient number, since it is larger than the sum of its proper divisors (98344).

99776 is a wasteful number, since it uses less digits than its factorization.

99776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1561 counting only the distinct ones).

The product of its digits is 23814, while the sum is 38.

The square root of 99776 is about 315.8733923584. The cubic root of 99776 is about 46.3812052299.

The spelling of 99776 in words is "ninety-nine thousand, seven hundred seventy-six".