13420207977 has 8 divisors (see below), whose sum is σ = 19520302560. Its totient is φ = 8133459360.

The previous prime is 13420207961. The next prime is 13420208063. The reversal of 13420207977 is 77970202431.

It is a happy number.

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

It is not a de Polignac number, because 13420207977 - 2⁴ = 13420207961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13420202977) 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, 203336452 + ... + 203336517.

It is an arithmetic number, because the mean of its divisors is an integer number (2440037820).

Almost surely, 2^13420207977 is an apocalyptic number.

It is an amenable number.

13420207977 is a deficient number, since it is larger than the sum of its proper divisors (6100094583).

13420207977 is a wasteful number, since it uses less digits than its factorization.

13420207977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406672983.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 13420207977 in words is "thirteen billion, four hundred twenty million, two hundred seven thousand, nine hundred seventy-seven".