102628799 has 12 divisors (see below), whose sum is σ = 127007856. Its totient is φ = 81199872.

The previous prime is 102628793. The next prime is 102628807. The reversal of 102628799 is 997826201.

It is a happy number.

It is not a de Polignac number, because 102628799 - 2²⁰ = 101580223 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102628793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42194 + ... + 44559.

It is an arithmetic number, because the mean of its divisors is an integer number (10583988).

Almost surely, 2^102628799 is an apocalyptic number.

102628799 is a deficient number, since it is larger than the sum of its proper divisors (24379057).

102628799 is an equidigital number, since it uses as much as digits as its factorization.

102628799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86786 (or 86773 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 102628799 is about 10130.5872978816. The cubic root of 102628799 is about 468.1910228429.

The spelling of 102628799 in words is "one hundred two million, six hundred twenty-eight thousand, seven hundred ninety-nine".