83464393561 has 8 divisors (see below), whose sum is σ = 89060781920. Its totient is φ = 77988357792.

The previous prime is 83464393513. The next prime is 83464393591. The reversal of 83464393561 is 16539346438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83464393561 - 2⁹ = 83464393049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83464393499 and 83464393508.

It is not an unprimeable number, because it can be changed into a prime (83464393511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30086715 + ... + 30089488.

It is an arithmetic number, because the mean of its divisors is an integer number (11132597740).

Almost surely, 2^83464393561 is an apocalyptic number.

It is an amenable number.

83464393561 is a deficient number, since it is larger than the sum of its proper divisors (5596388359).

83464393561 is a wasteful number, since it uses less digits than its factorization.

83464393561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60176295.

The product of its digits is 5598720, while the sum is 52.

The spelling of 83464393561 in words is "eighty-three billion, four hundred sixty-four million, three hundred ninety-three thousand, five hundred sixty-one".