37478577587473 has 4 divisors (see below), whose sum is σ = 40885721004528. Its totient is φ = 34071434170420.

The previous prime is 37478577587461. The next prime is 37478577587483.

37478577587473 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37478577587473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37478577587483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703571708511 + ... + 1703571708532.

It is an arithmetic number, because the mean of its divisors is an integer number (10221430251132).

Almost surely, 2^{37478577587473} is an apocalyptic number.

It is an amenable number.

37478577587473 is a deficient number, since it is larger than the sum of its proper divisors (3407143417055).

37478577587473 is a wasteful number, since it uses less digits than its factorization.

37478577587473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407143417054.

The product of its digits is 27106329600, while the sum is 82.

The spelling of 37478577587473 in words is "thirty-seven trillion, four hundred seventy-eight billion, five hundred seventy-seven million, five hundred eighty-seven thousand, four hundred seventy-three".