706377663 has 6 divisors (see below), whose sum is σ = 1020323304. Its totient is φ = 470918436.

The previous prime is 706377629. The next prime is 706377667. The reversal of 706377663 is 366773607.

706377663 is a `hidden beast` number, since 7 + 0 + 637 + 7 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 706377663 - 2⁶ = 706377599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706377667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39243195 + ... + 39243212.

It is an arithmetic number, because the mean of its divisors is an integer number (170053884).

Almost surely, 2^706377663 is an apocalyptic number.

706377663 is a deficient number, since it is larger than the sum of its proper divisors (313945641).

706377663 is a wasteful number, since it uses less digits than its factorization.

706377663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78486413 (or 78486410 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 706377663 is about 26577.7663282677. The cubic root of 706377663 is about 890.5924023822.

The spelling of 706377663 in words is "seven hundred six million, three hundred seventy-seven thousand, six hundred sixty-three".