83842963 has 4 divisors (see below), whose sum is σ = 88774920. Its totient is φ = 78911008.

The previous prime is 83842961. The next prime is 83843009. The reversal of 83842963 is 36924838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36924838 = 2 ⋅18462419.

It is not a de Polignac number, because 83842963 - 2¹ = 83842961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83842961) 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, 2465953 + ... + 2465986.

It is an arithmetic number, because the mean of its divisors is an integer number (22193730).

Almost surely, 2^83842963 is an apocalyptic number.

83842963 is a deficient number, since it is larger than the sum of its proper divisors (4931957).

83842963 is a wasteful number, since it uses less digits than its factorization.

83842963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931956.

The product of its digits is 248832, while the sum is 43.

The square root of 83842963 is about 9156.5803114482. The cubic root of 83842963 is about 437.6788284448.

The spelling of 83842963 in words is "eighty-three million, eight hundred forty-two thousand, nine hundred sixty-three".