82877849 has 16 divisors (see below), whose sum is σ = 88487424. Its totient is φ = 77500800.

The previous prime is 82877843. The next prime is 82877857. The reversal of 82877849 is 94877828.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 82877849 - 2¹² = 82873753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82877849.

It is not an unprimeable number, because it can be changed into a prime (82877843) 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, 119594 + ... + 120284.

It is an arithmetic number, because the mean of its divisors is an integer number (5530464).

Almost surely, 2^82877849 is an apocalyptic number.

It is an amenable number.

82877849 is a deficient number, since it is larger than the sum of its proper divisors (5609575).

82877849 is a wasteful number, since it uses less digits than its factorization.

82877849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 1806336, while the sum is 53.

The square root of 82877849 is about 9103.7272037336. The cubic root of 82877849 is about 435.9929736123.

The spelling of 82877849 in words is "eighty-two million, eight hundred seventy-seven thousand, eight hundred forty-nine".