67770700677 has 40 divisors (see below), whose sum is σ = 110240776800. Its totient is φ = 41326570656.

The previous prime is 67770700667. The next prime is 67770700687. The reversal of 67770700677 is 77600707776.

It is an interprime number because it is at equal distance from previous prime (67770700667) and next prime (67770700687).

It is not a de Polignac number, because 67770700677 - 2⁴ = 67770700661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67770700667) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 714603 + ... + 803864.

It is an arithmetic number, because the mean of its divisors is an integer number (2756019420).

Almost surely, 2^67770700677 is an apocalyptic number.

It is an amenable number.

67770700677 is a deficient number, since it is larger than the sum of its proper divisors (42470076123).

67770700677 is a wasteful number, since it uses less digits than its factorization.

67770700677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518527 (or 1518518 counting only the distinct ones).

The product of its (nonzero) digits is 4235364, while the sum is 54.

The spelling of 67770700677 in words is "sixty-seven billion, seven hundred seventy million, seven hundred thousand, six hundred seventy-seven".