102608780 has 24 divisors (see below), whose sum is σ = 215805408. Its totient is φ = 40981248.

The previous prime is 102608777. The next prime is 102608789. The reversal of 102608780 is 87806201.

It is not an unprimeable number, because it can be changed into a prime (102608789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11012 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (8991892).

Almost surely, 2^102608780 is an apocalyptic number.

102608780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102608780 is an abundant number, since it is smaller than the sum of its proper divisors (113196628).

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

102608780 is a wasteful number, since it uses less digits than its factorization.

102608780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793 (or 7791 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 102608780 is about 10129.5992023377. The cubic root of 102608780 is about 468.1605787387.

The spelling of 102608780 in words is "one hundred two million, six hundred eight thousand, seven hundred eighty".