83886071 has 4 divisors (see below), whose sum is σ = 84948000. Its totient is φ = 82824144.

The previous prime is 83886053. The next prime is 83886091. The reversal of 83886071 is 17068838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17068838 = 2 ⋅8534419.

It is a cyclic number.

It is not a de Polignac number, because 83886071 - 2¹⁸ = 83623927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83886001) 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, 530846 + ... + 531003.

It is an arithmetic number, because the mean of its divisors is an integer number (21237000).

Almost surely, 2^83886071 is an apocalyptic number.

83886071 is a deficient number, since it is larger than the sum of its proper divisors (1061929).

83886071 is a wasteful number, since it uses less digits than its factorization.

83886071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061928.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 83886071 is about 9158.9339445156. The cubic root of 83886071 is about 437.7538266939.

It can be divided in two parts, 8388607 and 1, that added together give a 23-rd power (8388608 = 2²³).

The spelling of 83886071 in words is "eighty-three million, eight hundred eighty-six thousand, seventy-one".