78745962768 has 80 divisors (see below), whose sum is σ = 227918346816. Its totient is φ = 23217477120.

The previous prime is 78745962761. The next prime is 78745962773. The reversal of 78745962768 is 86726954787.

It is not an unprimeable number, because it can be changed into a prime (78745962761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1995871 + ... + 2034942.

Almost surely, 2^78745962768 is an apocalyptic number.

It is an amenable number.

78745962768 is an abundant number, since it is smaller than the sum of its proper divisors (149172384048).

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

78745962768 is a wasteful number, since it uses less digits than its factorization.

78745962768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030872 (or 4030866 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 69.

The spelling of 78745962768 in words is "seventy-eight billion, seven hundred forty-five million, nine hundred sixty-two thousand, seven hundred sixty-eight".