99810794 has 4 divisors (see below), whose sum is σ = 149716194. Its totient is φ = 49905396.

The previous prime is 99810773. The next prime is 99810829. The reversal of 99810794 is 49701899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49701899 = 13 ⋅3823223.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 13227769 = 9305^2 + 3637^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24952697 + ... + 24952700.

Almost surely, 2^99810794 is an apocalyptic number.

99810794 is a deficient number, since it is larger than the sum of its proper divisors (49905400).

99810794 is a wasteful number, since it uses less digits than its factorization.

99810794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49905399.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 99810794 is about 9990.5352208978. The cubic root of 99810794 is about 463.8659597215.

The spelling of 99810794 in words is "ninety-nine million, eight hundred ten thousand, seven hundred ninety-four".