13277506770 has 384 divisors, whose sum is σ = 42439680000. Its totient is φ = 2925849600.

The previous prime is 13277506757. The next prime is 13277506813. The reversal of 13277506770 is 7760577231.

13277506770 is a `hidden beast` number, since 1 + 3 + 2 + 77 + 506 + 7 + 70 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26607981 + ... + 26608479.

It is an arithmetic number, because the mean of its divisors is an integer number (110520000).

Almost surely, 2^13277506770 is an apocalyptic number.

13277506770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13277506770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21219840000).

13277506770 is an abundant number, since it is smaller than the sum of its proper divisors (29162173230).

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

13277506770 is a wasteful number, since it uses less digits than its factorization.

13277506770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The spelling of 13277506770 in words is "thirteen billion, two hundred seventy-seven million, five hundred six thousand, seven hundred seventy".