1478707378 has 16 divisors (see below), whose sum is σ = 2309884416. Its totient is φ = 709168320.

The previous prime is 1478707309. The next prime is 1478707387. The reversal of 1478707378 is 8737078741.

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, 98526 + ... + 112537.

It is an arithmetic number, because the mean of its divisors is an integer number (144367776).

Almost surely, 2^1478707378 is an apocalyptic number.

1478707378 is a deficient number, since it is larger than the sum of its proper divisors (831177038).

1478707378 is a wasteful number, since it uses less digits than its factorization.

1478707378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211209.

The product of its (nonzero) digits is 1843968, while the sum is 52.

The square root of 1478707378 is about 38453.9643990057. The cubic root of 1478707378 is about 1139.2719723255.

The spelling of 1478707378 in words is "one billion, four hundred seventy-eight million, seven hundred seven thousand, three hundred seventy-eight".