83375393 has 4 divisors (see below), whose sum is σ = 85628820. Its totient is φ = 81121968.

The previous prime is 83375387. The next prime is 83375419. The reversal of 83375393 is 39357338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39357338 = 2 ⋅19678669.

It can be written as a sum of positive squares in 2 ways, for example, as 50794129 + 32581264 = 7127^2 + 5708^2 .

It is a cyclic number.

It is not a de Polignac number, because 83375393 - 2⁸ = 83375137 is a prime.

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 83375393.

It is not an unprimeable number, because it can be changed into a prime (83375333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126658 + ... + 1126731.

It is an arithmetic number, because the mean of its divisors is an integer number (21407205).

Almost surely, 2^83375393 is an apocalyptic number.

It is an amenable number.

83375393 is a deficient number, since it is larger than the sum of its proper divisors (2253427).

83375393 is a wasteful number, since it uses less digits than its factorization.

83375393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253426.

The product of its digits is 204120, while the sum is 41.

The square root of 83375393 is about 9131.0127039666. The cubic root of 83375393 is about 436.8637050149.

The spelling of 83375393 in words is "eighty-three million, three hundred seventy-five thousand, three hundred ninety-three".