99773127 has 40 divisors (see below), whose sum is σ = 154823856. Its totient is φ = 64245312.

The previous prime is 99773111. The next prime is 99773143. The reversal of 99773127 is 72137799.

It is an interprime number because it is at equal distance from previous prime (99773111) and next prime (99773143).

It is not a de Polignac number, because 99773127 - 2⁴ = 99773111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99773147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 728203 + ... + 728339.

Almost surely, 2^99773127 is an apocalyptic number.

99773127 is a deficient number, since it is larger than the sum of its proper divisors (55050729).

99773127 is an frugal number, since it uses more digits than its factorization.

99773127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 177 counting only the distinct ones).

The product of its digits is 166698, while the sum is 45.

The square root of 99773127 is about 9988.6499087715. The cubic root of 99773127 is about 463.8076005107.

The spelling of 99773127 in words is "ninety-nine million, seven hundred seventy-three thousand, one hundred twenty-seven".