378115534 has 4 divisors (see below), whose sum is σ = 567173304. Its totient is φ = 189057766.

The previous prime is 378115511. The next prime is 378115559. The reversal of 378115534 is 435511873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435511873 = 83 ⋅5247131.

It is a junction number, because it is equal to n+sod(n) for n = 378115493 and 378115502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94528882 + ... + 94528885.

It is an arithmetic number, because the mean of its divisors is an integer number (141793326).

Almost surely, 2^378115534 is an apocalyptic number.

378115534 is a deficient number, since it is larger than the sum of its proper divisors (189057770).

378115534 is a wasteful number, since it uses less digits than its factorization.

378115534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189057769.

The product of its digits is 50400, while the sum is 37.

The square root of 378115534 is about 19445.1930820962. The cubic root of 378115534 is about 723.1163366631.

The spelling of 378115534 in words is "three hundred seventy-eight million, one hundred fifteen thousand, five hundred thirty-four".