1679057278 has 36 divisors (see below), whose sum is σ = 2661009624. Its totient is φ = 794554800.

The previous prime is 1679057267. The next prime is 1679057279. The reversal of 1679057278 is 8727509761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679057279) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5398743 + ... + 5399053.

It is an arithmetic number, because the mean of its divisors is an integer number (73916934).

Almost surely, 2^1679057278 is an apocalyptic number.

1679057278 is a deficient number, since it is larger than the sum of its proper divisors (981952346).

1679057278 is an equidigital number, since it uses as much as digits as its factorization.

1679057278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 52.

The square root of 1679057278 is about 40976.3014192350. The cubic root of 1679057278 is about 1188.5619891861.

The spelling of 1679057278 in words is "one billion, six hundred seventy-nine million, fifty-seven thousand, two hundred seventy-eight".