13355777790 has 48 divisors (see below), whose sum is σ = 34762618800. Its totient is φ = 3557684736.

The previous prime is 13355777767. The next prime is 13355777801. The reversal of 13355777790 is 9777755331.

13355777790 is a `hidden beast` number, since 13 + 3 + 557 + 7 + 7 + 79 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3741 + ... + 163479.

It is an arithmetic number, because the mean of its divisors is an integer number (724221225).

Almost surely, 2^13355777790 is an apocalyptic number.

13355777790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13355777790 is an abundant number, since it is smaller than the sum of its proper divisors (21406841010).

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

13355777790 is a wasteful number, since it uses less digits than its factorization.

13355777790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160681 (or 160678 counting only the distinct ones).

The product of its (nonzero) digits is 4862025, while the sum is 54.

The spelling of 13355777790 in words is "thirteen billion, three hundred fifty-five million, seven hundred seventy-seven thousand, seven hundred ninety".