23116777 has 4 divisors (see below), whose sum is σ = 23244676. Its totient is φ = 22988880.

The previous prime is 23116759. The next prime is 23116781. The reversal of 23116777 is 77761132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9603801 + 13512976 = 3099^2 + 3676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23116777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23116477) 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, 63678 + ... + 64039.

It is an arithmetic number, because the mean of its divisors is an integer number (5811169).

Almost surely, 2^23116777 is an apocalyptic number.

It is an amenable number.

23116777 is a deficient number, since it is larger than the sum of its proper divisors (127899).

23116777 is a wasteful number, since it uses less digits than its factorization.

23116777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127898.

The product of its digits is 12348, while the sum is 34.

The square root of 23116777 is about 4807.9909525705. The cubic root of 23116777 is about 284.8671875279.

The spelling of 23116777 in words is "twenty-three million, one hundred sixteen thousand, seven hundred seventy-seven".