147793378 has 16 divisors (see below), whose sum is σ = 224949816. Its totient is φ = 72817920.

The previous prime is 147793351. The next prime is 147793403. The reversal of 147793378 is 873397741.

147793378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2518569 + 145274809 = 1587^2 + 12053^2 .

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, 39100 + ... + 42712.

Almost surely, 2^147793378 is an apocalyptic number.

147793378 is a deficient number, since it is larger than the sum of its proper divisors (77156438).

147793378 is a wasteful number, since it uses less digits than its factorization.

147793378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909.

The product of its digits is 889056, while the sum is 49.

The square root of 147793378 is about 12157.0299826890. The cubic root of 147793378 is about 528.7109745093.

The spelling of 147793378 in words is "one hundred forty-seven million, seven hundred ninety-three thousand, three hundred seventy-eight".