99993766 has 16 divisors (see below), whose sum is σ = 152103600. Its totient is φ = 49297248.

The previous prime is 99993743. The next prime is 99993767. The reversal of 99993766 is 66739999.

It is a self number, because there is not a number n which added to its sum of digits gives 99993766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99993767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48921 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (9506475).

Almost surely, 2^99993766 is an apocalyptic number.

99993766 is a deficient number, since it is larger than the sum of its proper divisors (52109834).

99993766 is a wasteful number, since it uses less digits than its factorization.

99993766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343.

The product of its digits is 4960116, while the sum is 58.

The square root of 99993766 is about 9999.6882951420. The cubic root of 99993766 is about 464.1492379392.

The spelling of 99993766 in words is "ninety-nine million, nine hundred ninety-three thousand, seven hundred sixty-six".