83388367357561 has 8 divisors (see below), whose sum is σ = 95329757060864. Its totient is φ = 71454169103040.

The previous prime is 83388367357523. The next prime is 83388367357567. The reversal of 83388367357561 is 16575376388338.

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 83388367357561 - 2²⁵ = 83388333803129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83388367357567) 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, 1797837345 + ... + 1797883726.

It is an arithmetic number, because the mean of its divisors is an integer number (11916219632608).

Almost surely, 2^{83388367357561} is an apocalyptic number.

It is an amenable number.

83388367357561 is a deficient number, since it is larger than the sum of its proper divisors (11941389703303).

83388367357561 is a wasteful number, since it uses less digits than its factorization.

83388367357561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595724391.

The product of its digits is 1828915200, while the sum is 73.

The spelling of 83388367357561 in words is "eighty-three trillion, three hundred eighty-eight billion, three hundred sixty-seven million, three hundred fifty-seven thousand, five hundred sixty-one".