77770750081707 has 6 divisors (see below), whose sum is σ = 112335527895812. Its totient is φ = 51847166721132.

The previous prime is 77770750081691. The next prime is 77770750081747. The reversal of 77770750081707 is 70718005707777.

It is not a de Polignac number, because 77770750081707 - 2⁴ = 77770750081691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77770750081747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4320597226753 + ... + 4320597226770.

Almost surely, 2^{77770750081707} is an apocalyptic number.

77770750081707 is a deficient number, since it is larger than the sum of its proper divisors (34564777814105).

77770750081707 is a wasteful number, since it uses less digits than its factorization.

77770750081707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641194453529 (or 8641194453526 counting only the distinct ones).

The product of its (nonzero) digits is 32941720, while the sum is 63.

The spelling of 77770750081707 in words is "seventy-seven trillion, seven hundred seventy billion, seven hundred fifty million, eighty-one thousand, seven hundred seven".