10157780 has 24 divisors (see below), whose sum is σ = 22454880. Its totient is φ = 3849120.

The previous prime is 10157779. The next prime is 10157827. The reversal of 10157780 is 8775101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12986 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (935620).

Almost surely, 2^10157780 is an apocalyptic number.

10157780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10157780 is an abundant number, since it is smaller than the sum of its proper divisors (12297100).

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

10157780 is a wasteful number, since it uses less digits than its factorization.

10157780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26759 (or 26757 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 10157780 is about 3187.1272331051. The cubic root of 10157780 is about 216.5706504217.

The spelling of 10157780 in words is "ten million, one hundred fifty-seven thousand, seven hundred eighty".