78075077750 has 16 divisors (see below), whose sum is σ = 146156546016. Its totient is φ = 31230031000.

The previous prime is 78075077737. The next prime is 78075077767. The reversal of 78075077750 is 5777057087.

It is a junction number, because it is equal to n+sod(n) for n = 78075077692 and 78075077701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156149906 + ... + 156150405.

It is an arithmetic number, because the mean of its divisors is an integer number (9134784126).

Almost surely, 2^78075077750 is an apocalyptic number.

78075077750 is a deficient number, since it is larger than the sum of its proper divisors (68081468266).

78075077750 is a wasteful number, since it uses less digits than its factorization.

78075077750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312300328 (or 312300318 counting only the distinct ones).

The product of its (nonzero) digits is 3361400, while the sum is 53.

The spelling of 78075077750 in words is "seventy-eight billion, seventy-five million, seventy-seven thousand, seven hundred fifty".