37854038851 has 2 divisors, whose sum is σ = 37854038852. Its totient is φ = 37854038850.

The previous prime is 37854038843. The next prime is 37854038869. The reversal of 37854038851 is 15883045873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37854038851 - 2³ = 37854038843 is a prime.

It is not a weakly prime, because it can be changed into another prime (37854038801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18927019425 + 18927019426.

It is an arithmetic number, because the mean of its divisors is an integer number (18927019426).

Almost surely, 2^37854038851 is an apocalyptic number.

37854038851 is a deficient number, since it is larger than the sum of its proper divisors (1).

37854038851 is an equidigital number, since it uses as much as digits as its factorization.

37854038851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 37854038851 in words is "thirty-seven billion, eight hundred fifty-four million, thirty-eight thousand, eight hundred fifty-one".