82877773 has 8 divisors (see below), whose sum is σ = 90478080. Its totient is φ = 75288480.

The previous prime is 82877761. The next prime is 82877783. The reversal of 82877773 is 37777828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82877773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82877783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27348 + ... + 30226.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^82877773 is an apocalyptic number.

82877773 is the 5758-th heptagonal number.

It is an amenable number.

82877773 is a deficient number, since it is larger than the sum of its proper divisors (7600307).

82877773 is a wasteful number, since it uses less digits than its factorization.

82877773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507.

The product of its digits is 921984, while the sum is 49.

The square root of 82877773 is about 9103.7230296182. The cubic root of 82877773 is about 435.9928403420.

The spelling of 82877773 in words is "eighty-two million, eight hundred seventy-seven thousand, seven hundred seventy-three".