748670383778 has 4 divisors (see below), whose sum is σ = 1123005575670. Its totient is φ = 374335191888.

The previous prime is 748670383753. The next prime is 748670383787. The reversal of 748670383778 is 877383076847.

748670383778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 617910761329 + 130759622449 = 786073^2 + 361607^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187167595943 + ... + 187167595946.

Almost surely, 2^748670383778 is an apocalyptic number.

748670383778 is a deficient number, since it is larger than the sum of its proper divisors (374335191892).

748670383778 is a wasteful number, since it uses less digits than its factorization.

748670383778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374335191891.

The product of its (nonzero) digits is 265531392, while the sum is 68.

The spelling of 748670383778 in words is "seven hundred forty-eight billion, six hundred seventy million, three hundred eighty-three thousand, seven hundred seventy-eight".