37823670947 has 2 divisors, whose sum is σ = 37823670948. Its totient is φ = 37823670946.

The previous prime is 37823670901. The next prime is 37823670961. The reversal of 37823670947 is 74907632873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37823670947 - 2¹⁴ = 37823654563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37823670892 and 37823670901.

It is not a weakly prime, because it can be changed into another prime (37823670047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18911835473 + 18911835474.

It is an arithmetic number, because the mean of its divisors is an integer number (18911835474).

Almost surely, 2^37823670947 is an apocalyptic number.

37823670947 is a deficient number, since it is larger than the sum of its proper divisors (1).

37823670947 is an equidigital number, since it uses as much as digits as its factorization.

37823670947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 37823670947 in words is "thirty-seven billion, eight hundred twenty-three million, six hundred seventy thousand, nine hundred forty-seven".