82677212 has 6 divisors (see below), whose sum is σ = 144685128. Its totient is φ = 41338604.

The previous prime is 82677211. The next prime is 82677229. The reversal of 82677212 is 21277628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82677211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10334648 + ... + 10334655.

It is an arithmetic number, because the mean of its divisors is an integer number (24114188).

Almost surely, 2^82677212 is an apocalyptic number.

It is an amenable number.

82677212 is a deficient number, since it is larger than the sum of its proper divisors (62007916).

82677212 is a wasteful number, since it uses less digits than its factorization.

82677212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20669307 (or 20669305 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 82677212 is about 9092.7010288473. The cubic root of 82677212 is about 435.6408610025.

The spelling of 82677212 in words is "eighty-two million, six hundred seventy-seven thousand, two hundred twelve".