677062691 has 4 divisors (see below), whose sum is σ = 683766384. Its totient is φ = 670359000.

The previous prime is 677062637. The next prime is 677062697. The reversal of 677062691 is 196260776.

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

It is a cyclic number.

It is not a de Polignac number, because 677062691 - 2¹⁸ = 676800547 is a prime.

It is a super-2 number, since 2×677062691² = 916827775088322962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677062697) 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, 3351695 + ... + 3351896.

It is an arithmetic number, because the mean of its divisors is an integer number (170941596).

Almost surely, 2^677062691 is an apocalyptic number.

677062691 is a deficient number, since it is larger than the sum of its proper divisors (6703693).

677062691 is a wasteful number, since it uses less digits than its factorization.

677062691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703692.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 677062691 is about 26020.4283400562. The cubic root of 677062691 is about 878.0979454454.

The spelling of 677062691 in words is "six hundred seventy-seven million, sixty-two thousand, six hundred ninety-one".