10000780 has 24 divisors (see below), whose sum is σ = 21061152. Its totient is φ = 3988992.

The previous prime is 10000769. The next prime is 10000789. The reversal of 10000780 is 8700001.

It is not an unprimeable number, because it can be changed into a prime (10000789) 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, 13089 + ... + 13831.

It is an arithmetic number, because the mean of its divisors is an integer number (877548).

Almost surely, 2^10000780 is an apocalyptic number.

10000780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000780 is an abundant number, since it is smaller than the sum of its proper divisors (11060372).

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

10000780 is a wasteful number, since it uses less digits than its factorization.

10000780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 10000780 is about 3162.4009865923. The cubic root of 10000780 is about 215.4490703877.

Adding to 10000780 its reverse (8700001), we get a palindrome (18700781).

The spelling of 10000780 in words is "ten million, seven hundred eighty", and thus it is an aban number.