102077748172 has 12 divisors (see below), whose sum is σ = 186402844656. Its totient is φ = 48819792560.

The previous prime is 102077748169. The next prime is 102077748181. The reversal of 102077748172 is 271847770201.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 554770279 + ... + 554770462.

It is an arithmetic number, because the mean of its divisors is an integer number (15533570388).

Almost surely, 2^102077748172 is an apocalyptic number.

It is an amenable number.

102077748172 is a deficient number, since it is larger than the sum of its proper divisors (84325096484).

102077748172 is a wasteful number, since it uses less digits than its factorization.

102077748172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109540768 (or 1109540766 counting only the distinct ones).

The product of its (nonzero) digits is 307328, while the sum is 46.

The spelling of 102077748172 in words is "one hundred two billion, seventy-seven million, seven hundred forty-eight thousand, one hundred seventy-two".