748643859 has 12 divisors (see below), whose sum is σ = 1128391056. Its totient is φ = 477395952.

The previous prime is 748643851. The next prime is 748643891. The reversal of 748643859 is 958346847.

It is not a de Polignac number, because 748643859 - 2³ = 748643851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (748643851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808112 + ... + 1808525.

It is an arithmetic number, because the mean of its divisors is an integer number (94032588).

Almost surely, 2^748643859 is an apocalyptic number.

748643859 is a deficient number, since it is larger than the sum of its proper divisors (379747197).

748643859 is a wasteful number, since it uses less digits than its factorization.

748643859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616666 (or 3616663 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 748643859 is about 27361.3570387143. The cubic root of 748643859 is about 908.0123500782.

The spelling of 748643859 in words is "seven hundred forty-eight million, six hundred forty-three thousand, eight hundred fifty-nine".