37427763537561 has 8 divisors (see below), whose sum is σ = 49903809922240. Its totient is φ = 24951779755632.

The previous prime is 37427763537557. The next prime is 37427763537617. The reversal of 37427763537561 is 16573536772473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 37427763537561 - 2² = 37427763537557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37427763537492 and 37427763537501.

It is not an unprimeable number, because it can be changed into a prime (37427763537161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14237446 + ... + 16660143.

It is an arithmetic number, because the mean of its divisors is an integer number (6237976240280).

Almost surely, 2^{37427763537561} is an apocalyptic number.

It is an amenable number.

37427763537561 is a deficient number, since it is larger than the sum of its proper divisors (12476046384679).

37427763537561 is a wasteful number, since it uses less digits than its factorization.

37427763537561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31301375.

The product of its digits is 466754400, while the sum is 66.

The spelling of 37427763537561 in words is "thirty-seven trillion, four hundred twenty-seven billion, seven hundred sixty-three million, five hundred thirty-seven thousand, five hundred sixty-one".