748627779 has 16 divisors (see below), whose sum is σ = 1045670400. Its totient is φ = 475771296.

The previous prime is 748627769. The next prime is 748627787. The reversal of 748627779 is 977726847.

It is a happy number.

It is not a de Polignac number, because 748627779 - 2²⁵ = 715073347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (748627739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47589 + ... + 61334.

It is an arithmetic number, because the mean of its divisors is an integer number (65354400).

Almost surely, 2^748627779 is an apocalyptic number.

748627779 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

748627779 is a deficient number, since it is larger than the sum of its proper divisors (297042621).

748627779 is a wasteful number, since it uses less digits than its factorization.

748627779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109034.

The product of its digits is 8297856, while the sum is 57.

The square root of 748627779 is about 27361.0631920618. The cubic root of 748627779 is about 908.0058490150.

The spelling of 748627779 in words is "seven hundred forty-eight million, six hundred twenty-seven thousand, seven hundred seventy-nine".