83965926069 has 12 divisors (see below), whose sum is σ = 125466326700. Its totient is φ = 54047032704.

The previous prime is 83965926053. The next prime is 83965926139. The reversal of 83965926069 is 96062956938.

83965926069 is a `hidden beast` number, since 8 + 39 + 6 + 592 + 6 + 0 + 6 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55594566225 + 28371359844 = 235785^2 + 168438^2 .

It is not a de Polignac number, because 83965926069 - 2⁴ = 83965926053 is a prime.

It is a super-2 number, since 2×83965926069² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83965925997 and 83965926015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83964926069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160854004 + ... + 160854525.

It is an arithmetic number, because the mean of its divisors is an integer number (10455527225).

Almost surely, 2^83965926069 is an apocalyptic number.

It is an amenable number.

83965926069 is a deficient number, since it is larger than the sum of its proper divisors (41500400631).

83965926069 is a wasteful number, since it uses less digits than its factorization.

83965926069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321708564 (or 321708561 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 83965926069 in words is "eighty-three billion, nine hundred sixty-five million, nine hundred twenty-six thousand, sixty-nine".