83391007396271 has 8 divisors (see below), whose sum is σ = 83975276426400. Its totient is φ = 82807066337632.

The previous prime is 83391007396261. The next prime is 83391007396283. The reversal of 83391007396271 is 17269370019338.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83391007396271 is a prime.

It is a super-2 number, since 2×83391007396271² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83391007396271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83391007396261) 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, 81482555 + ... + 82499628.

It is an arithmetic number, because the mean of its divisors is an integer number (10496909553300).

Almost surely, 2^{83391007396271} is an apocalyptic number.

83391007396271 is a deficient number, since it is larger than the sum of its proper divisors (584269030129).

83391007396271 is a wasteful number, since it uses less digits than its factorization.

83391007396271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163985745.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 83391007396271 in words is "eighty-three trillion, three hundred ninety-one billion, seven million, three hundred ninety-six thousand, two hundred seventy-one".