102177342228 has 48 divisors (see below), whose sum is σ = 259846767936. Its totient is φ = 31060392960.

The previous prime is 102177342221. The next prime is 102177342263. The reversal of 102177342228 is 822243771201.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102177342221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3932733 + ... + 3958628.

It is an arithmetic number, because the mean of its divisors is an integer number (5413474332).

Almost surely, 2^102177342228 is an apocalyptic number.

It is an amenable number.

102177342228 is an abundant number, since it is smaller than the sum of its proper divisors (157669425708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102177342228 is a wasteful number, since it uses less digits than its factorization.

102177342228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7891464 (or 7891462 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 102177342228 in words is "one hundred two billion, one hundred seventy-seven million, three hundred forty-two thousand, two hundred twenty-eight".