27780407013 has 8 divisors (see below), whose sum is σ = 39219398208. Its totient is φ = 17430843584.

The previous prime is 27780406981. The next prime is 27780407021. The reversal of 27780407013 is 31070408772.

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

It is a cyclic number.

It is not a de Polignac number, because 27780407013 - 2⁵ = 27780406981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27780407093) 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, 272356881 + ... + 272356982.

It is an arithmetic number, because the mean of its divisors is an integer number (4902424776).

Almost surely, 2^27780407013 is an apocalyptic number.

It is an amenable number.

27780407013 is a deficient number, since it is larger than the sum of its proper divisors (11438991195).

27780407013 is a wasteful number, since it uses less digits than its factorization.

27780407013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544713883.

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 27780407013 in words is "twenty-seven billion, seven hundred eighty million, four hundred seven thousand, thirteen".