102299879 has 16 divisors (see below), whose sum is σ = 115426080. Its totient is φ = 89856000.

The previous prime is 102299861. The next prime is 102299891. The reversal of 102299879 is 978992201.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102299879 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102299809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48119 + ... + 50199.

It is an arithmetic number, because the mean of its divisors is an integer number (7214130).

Almost surely, 2^102299879 is an apocalyptic number.

102299879 is a deficient number, since it is larger than the sum of its proper divisors (13126201).

102299879 is a wasteful number, since it uses less digits than its factorization.

102299879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

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

The square root of 102299879 is about 10114.3402651878. The cubic root of 102299879 is about 467.6903115280.

The spelling of 102299879 in words is "one hundred two million, two hundred ninety-nine thousand, eight hundred seventy-nine".