512116977 has 4 divisors (see below), whose sum is σ = 682822640. Its totient is φ = 341411316.

The previous prime is 512116967. The next prime is 512116999. The reversal of 512116977 is 779611215.

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 not a de Polignac number, because 512116977 - 2¹⁴ = 512100593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512116907) 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, 85352827 + ... + 85352832.

It is an arithmetic number, because the mean of its divisors is an integer number (170705660).

Almost surely, 2^512116977 is an apocalyptic number.

It is an amenable number.

512116977 is a deficient number, since it is larger than the sum of its proper divisors (170705663).

512116977 is a wasteful number, since it uses less digits than its factorization.

512116977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170705662.

The product of its digits is 26460, while the sum is 39.

The square root of 512116977 is about 22630.0017012814. The cubic root of 512116977 is about 800.0609208815.

The spelling of 512116977 in words is "five hundred twelve million, one hundred sixteen thousand, nine hundred seventy-seven".