99739955 has 8 divisors (see below), whose sum is σ = 136786272. Its totient is φ = 68393088.

The previous prime is 99739951. The next prime is 99739999. The reversal of 99739955 is 55993799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99739955 - 2² = 99739951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99739955.

It is not an unprimeable number, because it can be changed into a prime (99739951) 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, 1424822 + ... + 1424891.

It is an arithmetic number, because the mean of its divisors is an integer number (17098284).

Almost surely, 2^99739955 is an apocalyptic number.

99739955 is a deficient number, since it is larger than the sum of its proper divisors (37046317).

99739955 is a wasteful number, since it uses less digits than its factorization.

99739955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849725.

The product of its digits is 3444525, while the sum is 56.

The square root of 99739955 is about 9986.9892860661. The cubic root of 99739955 is about 463.7561934449.

The spelling of 99739955 in words is "ninety-nine million, seven hundred thirty-nine thousand, nine hundred fifty-five".