83870481 has 4 divisors (see below), whose sum is σ = 111827312. Its totient is φ = 55913652.

The previous prime is 83870473. The next prime is 83870483. The reversal of 83870481 is 18407838.

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 83870481 - 2³ = 83870473 is a prime.

It is a super-2 number, since 2×83870481² = 14068515166342722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83870483) 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, 13978411 + ... + 13978416.

It is an arithmetic number, because the mean of its divisors is an integer number (27956828).

Almost surely, 2^83870481 is an apocalyptic number.

It is an amenable number.

83870481 is a deficient number, since it is larger than the sum of its proper divisors (27956831).

83870481 is a wasteful number, since it uses less digits than its factorization.

83870481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27956830.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 83870481 is about 9158.0828233861. The cubic root of 83870481 is about 437.7267065579.

The spelling of 83870481 in words is "eighty-three million, eight hundred seventy thousand, four hundred eighty-one".