83863071 has 12 divisors (see below), whose sum is σ = 121221672. Its totient is φ = 55868976.

The previous prime is 83863061. The next prime is 83863079. The reversal of 83863071 is 17036838.

It is not a de Polignac number, because 83863071 - 2¹¹ = 83861023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83863079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15945 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (10101806).

Almost surely, 2^83863071 is an apocalyptic number.

83863071 is a deficient number, since it is larger than the sum of its proper divisors (37358601).

83863071 is a wasteful number, since it uses less digits than its factorization.

83863071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630 (or 6627 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 83863071 is about 9157.6782537934. The cubic root of 83863071 is about 437.7138150519.

The spelling of 83863071 in words is "eighty-three million, eight hundred sixty-three thousand, seventy-one".