83857000901 has 2 divisors, whose sum is σ = 83857000902. Its totient is φ = 83857000900.

The previous prime is 83857000891. The next prime is 83857000961. The reversal of 83857000901 is 10900075838.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67353744676 + 16503256225 = 259526^2 + 128465^2 .

It is a cyclic number.

It is not a de Polignac number, because 83857000901 - 2²⁶ = 83789892037 is a prime.

It is a super-2 number, since 2×83857000901² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83857000961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41928500450 + 41928500451.

It is an arithmetic number, because the mean of its divisors is an integer number (41928500451).

Almost surely, 2^83857000901 is an apocalyptic number.

It is an amenable number.

83857000901 is a deficient number, since it is larger than the sum of its proper divisors (1).

83857000901 is an equidigital number, since it uses as much as digits as its factorization.

83857000901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 83857000901 in words is "eighty-three billion, eight hundred fifty-seven million, nine hundred one", and thus it is an aban number.