13270007780 has 24 divisors (see below), whose sum is σ = 29078626752. Its totient is φ = 5077220192.

The previous prime is 13270007719. The next prime is 13270007789. The reversal of 13270007780 is 8770007231.

It is a self number, because there is not a number n which added to its sum of digits gives 13270007780.

It is not an unprimeable number, because it can be changed into a prime (13270007789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14423462 + ... + 14424381.

It is an arithmetic number, because the mean of its divisors is an integer number (1211609448).

Almost surely, 2^13270007780 is an apocalyptic number.

13270007780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13270007780 is an abundant number, since it is smaller than the sum of its proper divisors (15808618972).

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

13270007780 is a wasteful number, since it uses less digits than its factorization.

13270007780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28847875 (or 28847873 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 13270007780 in words is "thirteen billion, two hundred seventy million, seven thousand, seven hundred eighty".