1379172782 has 16 divisors (see below), whose sum is σ = 2324760480. Its totient is φ = 608865312.

The previous prime is 1379172763. The next prime is 1379172793. The reversal of 1379172782 is 2872719731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152557 + ... + 1153752.

It is an arithmetic number, because the mean of its divisors is an integer number (145297530).

Almost surely, 2^1379172782 is an apocalyptic number.

1379172782 is a deficient number, since it is larger than the sum of its proper divisors (945587698).

1379172782 is a wasteful number, since it uses less digits than its factorization.

1379172782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306347.

The product of its digits is 296352, while the sum is 47.

The square root of 1379172782 is about 37137.2155929870. The cubic root of 1379172782 is about 1113.1137800973.

The spelling of 1379172782 in words is "one billion, three hundred seventy-nine million, one hundred seventy-two thousand, seven hundred eighty-two".