10577785808 has 20 divisors (see below), whose sum is σ = 20500475460. Its totient is φ = 5287340544.

The previous prime is 10577785793. The next prime is 10577785837. The reversal of 10577785808 is 80858777501.

It can be written as a sum of positive squares in 2 ways, for example, as 834516544 + 9743269264 = 28888^2 + 98708^2 .

It is a super-2 number, since 2×10577785808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39785 + ... + 150792.

It is an arithmetic number, because the mean of its divisors is an integer number (1025023773).

Almost surely, 2^10577785808 is an apocalyptic number.

It is an amenable number.

10577785808 is a deficient number, since it is larger than the sum of its proper divisors (9922689652).

10577785808 is a wasteful number, since it uses less digits than its factorization.

10577785808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194054 (or 194048 counting only the distinct ones).

The product of its (nonzero) digits is 4390400, while the sum is 56.

The spelling of 10577785808 in words is "ten billion, five hundred seventy-seven million, seven hundred eighty-five thousand, eight hundred eight".