7677673785 has 12 divisors (see below), whose sum is σ = 13307967972. Its totient is φ = 4094759328.

The previous prime is 7677673771. The next prime is 7677673799. The reversal of 7677673785 is 5873767767.

It is an interprime number because it is at equal distance from previous prime (7677673771) and next prime (7677673799).

It can be written as a sum of positive squares in 2 ways, for example, as 1182603321 + 6495070464 = 34389^2 + 80592^2 .

It is not a de Polignac number, because 7677673785 - 2⁵ = 7677673753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85307442 + ... + 85307531.

It is an arithmetic number, because the mean of its divisors is an integer number (1108997331).

Almost surely, 2^7677673785 is an apocalyptic number.

It is an amenable number.

7677673785 is a deficient number, since it is larger than the sum of its proper divisors (5630294187).

7677673785 is a wasteful number, since it uses less digits than its factorization.

7677673785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170614984 (or 170614981 counting only the distinct ones).

The product of its digits is 72606240, while the sum is 63.

The square root of 7677673785 is about 87622.3361078669. The cubic root of 7677673785 is about 1972.7704400601.

The spelling of 7677673785 in words is "seven billion, six hundred seventy-seven million, six hundred seventy-three thousand, seven hundred eighty-five".