37845396894 has 16 divisors (see below), whose sum is σ = 78300821520. Its totient is φ = 12180127680.

The previous prime is 37845396863. The next prime is 37845396949. The reversal of 37845396894 is 49869354873.

It is a congruent number.

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, 108750967 + ... + 108751314.

It is an arithmetic number, because the mean of its divisors is an integer number (4893801345).

Almost surely, 2^37845396894 is an apocalyptic number.

37845396894 is an abundant number, since it is smaller than the sum of its proper divisors (40455424626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37845396894 is a wasteful number, since it uses less digits than its factorization.

37845396894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217502315.

The product of its digits is 156764160, while the sum is 66.

The spelling of 37845396894 in words is "thirty-seven billion, eight hundred forty-five million, three hundred ninety-six thousand, eight hundred ninety-four".