102878734604 has 12 divisors (see below), whose sum is σ = 180040783104. Its totient is φ = 51438510864.

The previous prime is 102878734601. The next prime is 102878734657. The reversal of 102878734604 is 406437878201.

It is not an unprimeable number, because it can be changed into a prime (102878734601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111029 + ... + 466995.

It is an arithmetic number, because the mean of its divisors is an integer number (15003398592).

Almost surely, 2^102878734604 is an apocalyptic number.

It is an amenable number.

102878734604 is a deficient number, since it is larger than the sum of its proper divisors (77162048500).

102878734604 is a wasteful number, since it uses less digits than its factorization.

102878734604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428224 (or 428222 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 102878734604 in words is "one hundred two billion, eight hundred seventy-eight million, seven hundred thirty-four thousand, six hundred four".