378853152458 has 16 divisors (see below), whose sum is σ = 620553544416. Its totient is φ = 172035972240.

The previous prime is 378853152397. The next prime is 378853152463. The reversal of 378853152458 is 854251358873.

It is a super-2 number, since 2×378853152458² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 378853152397 and 378853152406.

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, 8477516 + ... + 8522087.

It is an arithmetic number, because the mean of its divisors is an integer number (38784596526).

Almost surely, 2^378853152458 is an apocalyptic number.

378853152458 is a deficient number, since it is larger than the sum of its proper divisors (241700391958).

378853152458 is a wasteful number, since it uses less digits than its factorization.

378853152458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17000629.

The product of its digits is 32256000, while the sum is 59.

The spelling of 378853152458 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, one hundred fifty-two thousand, four hundred fifty-eight".