102808874402 has 16 divisors (see below), whose sum is σ = 170126506872. Its totient is φ = 46292926080.

The previous prime is 102808874401. The next prime is 102808874407. The reversal of 102808874402 is 204478808201.

It can be written as a sum of positive squares in 4 ways, for example, as 19923040201 + 82885834201 = 141149^2 + 287899^2 .

It is not an unprimeable number, because it can be changed into a prime (102808874401) 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, 48220733 + ... + 48222864.

Almost surely, 2^102808874402 is an apocalyptic number.

102808874402 is a deficient number, since it is larger than the sum of its proper divisors (67317632470).

102808874402 is a wasteful number, since it uses less digits than its factorization.

102808874402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96443653.

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 102808874402 in words is "one hundred two billion, eight hundred eight million, eight hundred seventy-four thousand, four hundred two".