748107994778 has 64 divisors (see below), whose sum is σ = 1252787171328. Its totient is φ = 333448980480.

The previous prime is 748107994717. The next prime is 748107994793. The reversal of 748107994778 is 877499701847.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23864951 + ... + 23896277.

It is an arithmetic number, because the mean of its divisors is an integer number (19574799552).

Almost surely, 2^748107994778 is an apocalyptic number.

748107994778 is a deficient number, since it is larger than the sum of its proper divisors (504679176550).

748107994778 is a wasteful number, since it uses less digits than its factorization.

748107994778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31887.

The product of its (nonzero) digits is 199148544, while the sum is 71.

The spelling of 748107994778 in words is "seven hundred forty-eight billion, one hundred seven million, nine hundred ninety-four thousand, seven hundred seventy-eight".