102080396772 has 60 divisors (see below), whose sum is σ = 267289958320. Its totient is φ = 33971761584.

The previous prime is 102080396753. The next prime is 102080396773. The reversal of 102080396772 is 277693080201.

It is not an unprimeable number, because it can be changed into a prime (102080396773) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53938 + ... + 455049.

Almost surely, 2^102080396772 is an apocalyptic number.

102080396772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102080396772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133644979160).

102080396772 is an abundant number, since it is smaller than the sum of its proper divisors (165209561548).

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

102080396772 is a wasteful number, since it uses less digits than its factorization.

102080396772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509622 (or 509611 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 102080396772 in words is "one hundred two billion, eighty million, three hundred ninety-six thousand, seven hundred seventy-two".