83871742 has 16 divisors (see below), whose sum is σ = 127475712. Its totient is φ = 41383800.

The previous prime is 83871737. The next prime is 83871787. The reversal of 83871742 is 24717838.

It is a super-2 number, since 2×83871742² = 14068938212229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83871695 and 83871704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49603 + ... + 51265.

It is an arithmetic number, because the mean of its divisors is an integer number (7967232).

Almost surely, 2^83871742 is an apocalyptic number.

83871742 is a deficient number, since it is larger than the sum of its proper divisors (43603970).

83871742 is a wasteful number, since it uses less digits than its factorization.

83871742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its digits is 75264, while the sum is 40.

The square root of 83871742 is about 9158.1516694145. The cubic root of 83871742 is about 437.7289003000.

The spelling of 83871742 in words is "eighty-three million, eight hundred seventy-one thousand, seven hundred forty-two".