378477953 has 16 divisors (see below), whose sum is σ = 458720640. Its totient is φ = 304839936.

The previous prime is 378477943. The next prime is 378477973. The reversal of 378477953 is 359774873.

It is a cyclic number.

It is not a de Polignac number, because 378477953 - 2¹⁴ = 378461569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378477895 and 378477904.

It is not an unprimeable number, because it can be changed into a prime (378477943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85058 + ... + 89396.

It is an arithmetic number, because the mean of its divisors is an integer number (28670040).

Almost surely, 2^378477953 is an apocalyptic number.

It is an amenable number.

378477953 is a deficient number, since it is larger than the sum of its proper divisors (80242687).

378477953 is a wasteful number, since it uses less digits than its factorization.

378477953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096.

The product of its digits is 4445280, while the sum is 53.

The square root of 378477953 is about 19454.5098370532. The cubic root of 378477953 is about 723.3472955368.

The spelling of 378477953 in words is "three hundred seventy-eight million, four hundred seventy-seven thousand, nine hundred fifty-three".