102879208804 has 6 divisors (see below), whose sum is σ = 180038615414. Its totient is φ = 51439604400.

The previous prime is 102879208787. The next prime is 102879208813. The reversal of 102879208804 is 408802978201.

It can be written as a sum of positive squares in only one way, i.e., 77867786304 + 25011422500 = 279048^2 + 158150^2 .

It is a super-2 number, since 2×102879208804² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12859901097 + ... + 12859901104.

Almost surely, 2^102879208804 is an apocalyptic number.

It is an amenable number.

102879208804 is a deficient number, since it is larger than the sum of its proper divisors (77159406610).

102879208804 is a wasteful number, since it uses less digits than its factorization.

102879208804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719802205 (or 25719802203 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 102879208804 in words is "one hundred two billion, eight hundred seventy-nine million, two hundred eight thousand, eight hundred four".