102805485628 has 12 divisors (see below), whose sum is σ = 185713135552. Its totient is φ = 49744589760.

The previous prime is 102805485593. The next prime is 102805485661. The reversal of 102805485628 is 826584508201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414538125 + ... + 414538372.

Almost surely, 2^102805485628 is an apocalyptic number.

It is an amenable number.

102805485628 is a deficient number, since it is larger than the sum of its proper divisors (82907649924).

102805485628 is a wasteful number, since it uses less digits than its factorization.

102805485628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829076532 (or 829076530 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 102805485628 in words is "one hundred two billion, eight hundred five million, four hundred eighty-five thousand, six hundred twenty-eight".