670777703 has 8 divisors (see below), whose sum is σ = 679798080. Its totient is φ = 661770720.

The previous prime is 670777673. The next prime is 670777717. The reversal of 670777703 is 307777076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670777703 - 2⁸ = 670777447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670777733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135101 + ... + 139977.

It is an arithmetic number, because the mean of its divisors is an integer number (84974760).

Almost surely, 2^670777703 is an apocalyptic number.

670777703 is a deficient number, since it is larger than the sum of its proper divisors (9020377).

670777703 is a wasteful number, since it uses less digits than its factorization.

670777703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697.

The product of its (nonzero) digits is 302526, while the sum is 44.

The square root of 670777703 is about 25899.3764982866. The cubic root of 670777703 is about 875.3724468320.

The spelling of 670777703 in words is "six hundred seventy million, seven hundred seventy-seven thousand, seven hundred three".