102797580 has 96 divisors (see below), whose sum is σ = 302851584. Its totient is φ = 26002944.

The previous prime is 102797561. The next prime is 102797609. The reversal of 102797580 is 85797201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224712 + ... + 225168.

It is an arithmetic number, because the mean of its divisors is an integer number (3154704).

Almost surely, 2^102797580 is an apocalyptic number.

102797580 is a gapful number since it is divisible by the number (10) 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 102797580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151425792).

102797580 is an abundant number, since it is smaller than the sum of its proper divisors (200054004).

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

102797580 is a wasteful number, since it uses less digits than its factorization.

102797580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 102797580 is about 10138.9141430431. The cubic root of 102797580 is about 468.4475410594.

The spelling of 102797580 in words is "one hundred two million, seven hundred ninety-seven thousand, five hundred eighty".