83771068 has 6 divisors (see below), whose sum is σ = 146599376. Its totient is φ = 41885532.

The previous prime is 83771063. The next prime is 83771101. The reversal of 83771068 is 86017738.

It is a self number, because there is not a number n which added to its sum of digits gives 83771068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83771063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10471380 + ... + 10471387.

Almost surely, 2^83771068 is an apocalyptic number.

It is an amenable number.

83771068 is a deficient number, since it is larger than the sum of its proper divisors (62828308).

83771068 is a wasteful number, since it uses less digits than its factorization.

83771068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942771 (or 20942769 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 83771068 is about 9152.6536042833. The cubic root of 83771068 is about 437.5536900639.

The spelling of 83771068 in words is "eighty-three million, seven hundred seventy-one thousand, sixty-eight".