83090921027 has 2 divisors, whose sum is σ = 83090921028. Its totient is φ = 83090921026.

The previous prime is 83090921009. The next prime is 83090921047. The reversal of 83090921027 is 72012909038.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83090921027 - 2¹⁸ = 83090658883 is a prime.

It is not a weakly prime, because it can be changed into another prime (83090921047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41545460513 + 41545460514.

It is an arithmetic number, because the mean of its divisors is an integer number (41545460514).

Almost surely, 2^83090921027 is an apocalyptic number.

83090921027 is a deficient number, since it is larger than the sum of its proper divisors (1).

83090921027 is an equidigital number, since it uses as much as digits as its factorization.

83090921027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 83090921027 in words is "eighty-three billion, ninety million, nine hundred twenty-one thousand, twenty-seven".