13077861458 has 8 divisors (see below), whose sum is σ = 19819027452. Its totient is φ = 6471518976.

The previous prime is 13077861427. The next prime is 13077861463. The reversal of 13077861458 is 85416877031.

It can be written as a sum of positive squares in 2 ways, for example, as 12153519049 + 924342409 = 110243^2 + 30403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33705635 + ... + 33706022.

Almost surely, 2^13077861458 is an apocalyptic number.

13077861458 is a deficient number, since it is larger than the sum of its proper divisors (6741165994).

13077861458 is an equidigital number, since it uses as much as digits as its factorization.

13077861458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67411756.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 13077861458 in words is "thirteen billion, seventy-seven million, eight hundred sixty-one thousand, four hundred fifty-eight".