83641797 has 24 divisors (see below), whose sum is σ = 123840288. Its totient is φ = 54381600.

The previous prime is 83641741. The next prime is 83641799. The reversal of 83641797 is 79714638.

It is not a de Polignac number, because 83641797 - 2⁸ = 83641541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83641799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71338 + ... + 72500.

It is an arithmetic number, because the mean of its divisors is an integer number (5160012).

Almost surely, 2^83641797 is an apocalyptic number.

It is an amenable number.

83641797 is a deficient number, since it is larger than the sum of its proper divisors (40198491).

83641797 is a wasteful number, since it uses less digits than its factorization.

83641797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1358 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 83641797 is about 9145.5889367498. The cubic root of 83641797 is about 437.3285044305.

The spelling of 83641797 in words is "eighty-three million, six hundred forty-one thousand, seven hundred ninety-seven".