83541899 has 4 divisors (see below), whose sum is σ = 95476464. Its totient is φ = 71607336.

The previous prime is 83541877. The next prime is 83541949. The reversal of 83541899 is 99814538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99814538 = 2 ⋅49907269.

It is a cyclic number.

It is not a de Polignac number, because 83541899 - 2¹⁶ = 83476363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83541599) 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, 5967272 + ... + 5967285.

It is an arithmetic number, because the mean of its divisors is an integer number (23869116).

Almost surely, 2^83541899 is an apocalyptic number.

83541899 is a deficient number, since it is larger than the sum of its proper divisors (11934565).

83541899 is a wasteful number, since it uses less digits than its factorization.

83541899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934564.

The product of its digits is 311040, while the sum is 47.

The square root of 83541899 is about 9140.1257649991. The cubic root of 83541899 is about 437.1543265707.

The spelling of 83541899 in words is "eighty-three million, five hundred forty-one thousand, eight hundred ninety-nine".