13478057087 has 16 divisors (see below), whose sum is σ = 14912432640. Its totient is φ = 12078705600.

The previous prime is 13478057071. The next prime is 13478057101. The reversal of 13478057087 is 78075087431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13478057087 - 2⁴ = 13478057071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478050087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2357162 + ... + 2362872.

It is an arithmetic number, because the mean of its divisors is an integer number (932027040).

Almost surely, 2^13478057087 is an apocalyptic number.

13478057087 is a deficient number, since it is larger than the sum of its proper divisors (1434375553).

13478057087 is a wasteful number, since it uses less digits than its factorization.

13478057087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 13478057087 in words is "thirteen billion, four hundred seventy-eight million, fifty-seven thousand, eighty-seven".