12757310478 has 36 divisors (see below), whose sum is σ = 30382084824. Its totient is φ = 3865851000.

The previous prime is 12757310471. The next prime is 12757310491. The reversal of 12757310478 is 87401375721.

12757310478 is a `hidden beast` number, since 1 + 2 + 7 + 573 + 1 + 0 + 4 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757310471) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2926498 + ... + 2930853.

Almost surely, 2^12757310478 is an apocalyptic number.

12757310478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12757310478 is an abundant number, since it is smaller than the sum of its proper divisors (17624774346).

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

12757310478 is a wasteful number, since it uses less digits than its factorization.

12757310478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857381 (or 5857367 counting only the distinct ones).

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

The spelling of 12757310478 in words is "twelve billion, seven hundred fifty-seven million, three hundred ten thousand, four hundred seventy-eight".