670960777 has 32 divisors (see below), whose sum is σ = 758951424. Its totient is φ = 590284800.

The previous prime is 670960769. The next prime is 670960783. The reversal of 670960777 is 777069076.

It is not a de Polignac number, because 670960777 - 2³ = 670960769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670960777.

It is not an unprimeable number, because it can be changed into a prime (670960747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828048 + ... + 1828414.

It is an arithmetic number, because the mean of its divisors is an integer number (23717232).

Almost surely, 2^670960777 is an apocalyptic number.

It is an amenable number.

670960777 is a deficient number, since it is larger than the sum of its proper divisors (87990647).

670960777 is a wasteful number, since it uses less digits than its factorization.

670960777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 777924, while the sum is 49.

The square root of 670960777 is about 25902.9105893527. The cubic root of 670960777 is about 875.4520774643.

The spelling of 670960777 in words is "six hundred seventy million, nine hundred sixty thousand, seven hundred seventy-seven".