99999794 has 4 divisors (see below), whose sum is σ = 149999694. Its totient is φ = 49999896.

The previous prime is 99999787. The next prime is 99999821. The reversal of 99999794 is 49799999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49799999 = 241 ⋅206639.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 7590025 = 9613^2 + 2755^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99999794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999947 + ... + 24999950.

Almost surely, 2^99999794 is an apocalyptic number.

99999794 is a deficient number, since it is larger than the sum of its proper divisors (49999900).

99999794 is a wasteful number, since it uses less digits than its factorization.

99999794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49999899.

The product of its digits is 14880348, while the sum is 65.

The square root of 99999794 is about 9999.9896999947. The cubic root of 99999794 is about 464.1585646386.

The spelling of 99999794 in words is "ninety-nine million, nine hundred ninety-nine thousand, seven hundred ninety-four".