677266971 has 4 divisors (see below), whose sum is σ = 903022632. Its totient is φ = 451511312.

The previous prime is 677266897. The next prime is 677266973. The reversal of 677266971 is 179662776.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677266971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677266973) 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, 112877826 + ... + 112877831.

It is an arithmetic number, because the mean of its divisors is an integer number (225755658).

Almost surely, 2^677266971 is an apocalyptic number.

677266971 is a deficient number, since it is larger than the sum of its proper divisors (225755661).

677266971 is a wasteful number, since it uses less digits than its factorization.

677266971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225755660.

The product of its digits is 1333584, while the sum is 51.

The square root of 677266971 is about 26024.3534213628. The cubic root of 677266971 is about 878.1862483522.

The spelling of 677266971 in words is "six hundred seventy-seven million, two hundred sixty-six thousand, nine hundred seventy-one".