10780901990 has 16 divisors (see below), whose sum is σ = 19678943520. Its totient is φ = 4251623040.

The previous prime is 10780901977. The next prime is 10780902029. The reversal of 10780901990 is 9910908701.

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, 7591475 + ... + 7592894.

It is an arithmetic number, because the mean of its divisors is an integer number (1229933970).

Almost surely, 2^10780901990 is an apocalyptic number.

10780901990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10780901990 is a deficient number, since it is larger than the sum of its proper divisors (8898041530).

10780901990 is a wasteful number, since it uses less digits than its factorization.

10780901990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184447.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 10780901990 in words is "ten billion, seven hundred eighty million, nine hundred one thousand, nine hundred ninety".