378280120653 has 32 divisors (see below), whose sum is σ = 570640071680. Its totient is φ = 247616455680.

The previous prime is 378280120649. The next prime is 378280120667. The reversal of 378280120653 is 356021082873.

378280120653 is a `hidden beast` number, since 378 + 28 + 0 + 1 + 206 + 53 = 666.

It is not a de Polignac number, because 378280120653 - 2² = 378280120649 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378280120599 and 378280120608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378280122653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9213 + ... + 869853.

It is an arithmetic number, because the mean of its divisors is an integer number (17832502240).

Almost surely, 2^378280120653 is an apocalyptic number.

It is an amenable number.

378280120653 is a deficient number, since it is larger than the sum of its proper divisors (192359951027).

378280120653 is a wasteful number, since it uses less digits than its factorization.

378280120653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860946 (or 860940 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 378280120653 in words is "three hundred seventy-eight billion, two hundred eighty million, one hundred twenty thousand, six hundred fifty-three".