83957671 has 16 divisors (see below), whose sum is σ = 98812224. Its totient is φ = 69848064.

The previous prime is 83957617. The next prime is 83957677. The reversal of 83957671 is 17675938.

It is not a de Polignac number, because 83957671 - 2¹³ = 83949479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83957677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34821 + ... + 37153.

It is an arithmetic number, because the mean of its divisors is an integer number (6175764).

Almost surely, 2^83957671 is an apocalyptic number.

83957671 is a deficient number, since it is larger than the sum of its proper divisors (14854553).

83957671 is a wasteful number, since it uses less digits than its factorization.

83957671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490.

The product of its digits is 317520, while the sum is 46.

The square root of 83957671 is about 9162.8418626537. The cubic root of 83957671 is about 437.8783378724.

The spelling of 83957671 in words is "eighty-three million, nine hundred fifty-seven thousand, six hundred seventy-one".