1378706486 has 16 divisors (see below), whose sum is σ = 2083090608. Its totient is φ = 684352800.

The previous prime is 1378706479. The next prime is 1378706551. The reversal of 1378706486 is 6846078731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383216 + ... + 386796.

It is an arithmetic number, because the mean of its divisors is an integer number (130193163).

Almost surely, 2^1378706486 is an apocalyptic number.

1378706486 is a deficient number, since it is larger than the sum of its proper divisors (704384122).

1378706486 is a wasteful number, since it uses less digits than its factorization.

1378706486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927.

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 1378706486 is about 37130.9370471579. The cubic root of 1378706486 is about 1112.9883186573.

The spelling of 1378706486 in words is "one billion, three hundred seventy-eight million, seven hundred six thousand, four hundred eighty-six".