82877142 has 32 divisors (see below), whose sum is σ = 183140352. Its totient is φ = 24869504.

The previous prime is 82877141. The next prime is 82877143. The reversal of 82877142 is 24177828.

It is an interprime number because it is at equal distance from previous prime (82877141) and next prime (82877143).

It is a self number, because there is not a number n which added to its sum of digits gives 82877142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82877141) 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, 15318 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (5723136).

Almost surely, 2^82877142 is an apocalyptic number.

82877142 is an abundant number, since it is smaller than the sum of its proper divisors (100263210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82877142 is a wasteful number, since it uses less digits than its factorization.

82877142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35372.

The product of its digits is 50176, while the sum is 39.

The square root of 82877142 is about 9103.6883734012. The cubic root of 82877142 is about 435.9917338443.

The spelling of 82877142 in words is "eighty-two million, eight hundred seventy-seven thousand, one hundred forty-two".