712163977 has 4 divisors (see below), whose sum is σ = 813901696. Its totient is φ = 610426260.

The previous prime is 712163957. The next prime is 712163989. The reversal of 712163977 is 779361217.

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 712163977 - 2¹⁵ = 712131209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712163957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50868849 + ... + 50868862.

It is an arithmetic number, because the mean of its divisors is an integer number (203475424).

Almost surely, 2^712163977 is an apocalyptic number.

It is an amenable number.

712163977 is a deficient number, since it is larger than the sum of its proper divisors (101737719).

712163977 is a wasteful number, since it uses less digits than its factorization.

712163977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101737718.

The product of its digits is 111132, while the sum is 43.

The square root of 712163977 is about 26686.4006003058. The cubic root of 712163977 is about 893.0175639962.

The spelling of 712163977 in words is "seven hundred twelve million, one hundred sixty-three thousand, nine hundred seventy-seven".