13777142850 has 48 divisors (see below), whose sum is σ = 37963686240. Its totient is φ = 3673904400.

The previous prime is 13777142837. The next prime is 13777142857. The reversal of 13777142850 is 5824177731.

It is a super-2 number, since 2×13777142850² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 13777142796 and 13777142805.

It is not an unprimeable number, because it can be changed into a prime (13777142857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5101296 + ... + 5103995.

It is an arithmetic number, because the mean of its divisors is an integer number (790910130).

Almost surely, 2^13777142850 is an apocalyptic number.

13777142850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13777142850 is an abundant number, since it is smaller than the sum of its proper divisors (24186543390).

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

13777142850 is a wasteful number, since it uses less digits than its factorization.

13777142850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205312 (or 10205301 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 13777142850 in words is "thirteen billion, seven hundred seventy-seven million, one hundred forty-two thousand, eight hundred fifty".