77700667704 has 64 divisors (see below), whose sum is σ = 224376272640. Its totient is φ = 22160616960.

The previous prime is 77700667697. The next prime is 77700667711. The reversal of 77700667704 is 40776600777.

It is an interprime number because it is at equal distance from previous prime (77700667697) and next prime (77700667711).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8652004 + ... + 8660979.

It is an arithmetic number, because the mean of its divisors is an integer number (3505879260).

Almost surely, 2^77700667704 is an apocalyptic number.

It is an amenable number.

77700667704 is an abundant number, since it is smaller than the sum of its proper divisors (146675604936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77700667704 is a wasteful number, since it uses less digits than its factorization.

77700667704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313020 (or 17313016 counting only the distinct ones).

The product of its (nonzero) digits is 2420208, while the sum is 51.

The spelling of 77700667704 in words is "seventy-seven billion, seven hundred million, six hundred sixty-seven thousand, seven hundred four".