99994797 has 32 divisors (see below), whose sum is σ = 169939200. Its totient is φ = 56925504.

The previous prime is 99994771. The next prime is 99994801. The reversal of 99994797 is 79749999.

It is not a de Polignac number, because 99994797 - 2⁷ = 99994669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992797) 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, 59079 + ... + 60747.

It is an arithmetic number, because the mean of its divisors is an integer number (5310600).

Almost surely, 2^99994797 is an apocalyptic number.

It is an amenable number.

99994797 is a deficient number, since it is larger than the sum of its proper divisors (69944403).

99994797 is a wasteful number, since it uses less digits than its factorization.

99994797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1996 counting only the distinct ones).

The product of its digits is 11573604, while the sum is 63.

The square root of 99994797 is about 9999.7398466160. The cubic root of 99994797 is about 464.1508331594.

The spelling of 99994797 in words is "ninety-nine million, nine hundred ninety-four thousand, seven hundred ninety-seven".