2616117977 has 4 divisors (see below), whose sum is σ = 2853946896. Its totient is φ = 2378289060.

The previous prime is 2616117949. The next prime is 2616117983. The reversal of 2616117977 is 7797116162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2616117977 - 2¹² = 2616113881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2616116977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118914443 + ... + 118914464.

It is an arithmetic number, because the mean of its divisors is an integer number (713486724).

Almost surely, 2^2616117977 is an apocalyptic number.

It is an amenable number.

2616117977 is a deficient number, since it is larger than the sum of its proper divisors (237828919).

2616117977 is a wasteful number, since it uses less digits than its factorization.

2616117977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237828918.

The product of its digits is 222264, while the sum is 47.

The square root of 2616117977 is about 51148.0007136154. Note that the first 3 decimals coincide. The cubic root of 2616117977 is about 1377.9044679704.

The spelling of 2616117977 in words is "two billion, six hundred sixteen million, one hundred seventeen thousand, nine hundred seventy-seven".