83040897 has 4 divisors (see below), whose sum is σ = 110721200. Its totient is φ = 55360596.

The previous prime is 83040889. The next prime is 83040901. The reversal of 83040897 is 79804038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 83040897 - 2³ = 83040889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83040817) 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, 13840147 + ... + 13840152.

It is an arithmetic number, because the mean of its divisors is an integer number (27680300).

Almost surely, 2^83040897 is an apocalyptic number.

It is an amenable number.

83040897 is a deficient number, since it is larger than the sum of its proper divisors (27680303).

83040897 is a wasteful number, since it uses less digits than its factorization.

83040897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680302.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 83040897 is about 9112.6778171951. The cubic root of 83040897 is about 436.2787002024.

The spelling of 83040897 in words is "eighty-three million, forty thousand, eight hundred ninety-seven".