37478213863 has 4 divisors (see below), whose sum is σ = 38491138600. Its totient is φ = 36465289128.

The previous prime is 37478213831. The next prime is 37478213881. The reversal of 37478213863 is 36831287473.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 37478213863 - 2⁵ = 37478213831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37478213863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37478213803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506462313 + ... + 506462386.

It is an arithmetic number, because the mean of its divisors is an integer number (9622784650).

Almost surely, 2^37478213863 is an apocalyptic number.

37478213863 is a deficient number, since it is larger than the sum of its proper divisors (1012924737).

37478213863 is a wasteful number, since it uses less digits than its factorization.

37478213863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012924736.

The product of its digits is 4064256, while the sum is 52.

The spelling of 37478213863 in words is "thirty-seven billion, four hundred seventy-eight million, two hundred thirteen thousand, eight hundred sixty-three".