10785665730 has 32 divisors (see below), whose sum is σ = 29583540864. Its totient is φ = 2465294976.

The previous prime is 10785665729. The next prime is 10785665741. The reversal of 10785665730 is 3756658701.

It is a self number, because there is not a number n which added to its sum of digits gives 10785665730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25679947 + ... + 25680366.

It is an arithmetic number, because the mean of its divisors is an integer number (924485652).

Almost surely, 2^10785665730 is an apocalyptic number.

10785665730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10785665730 is an abundant number, since it is smaller than the sum of its proper divisors (18797875134).

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

10785665730 is a wasteful number, since it uses less digits than its factorization.

10785665730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51360330.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 10785665730 in words is "ten billion, seven hundred eighty-five million, six hundred sixty-five thousand, seven hundred thirty".