82714780 has 48 divisors (see below), whose sum is σ = 178113600. Its totient is φ = 32256000.

The previous prime is 82714777. The next prime is 82714781. The reversal of 82714780 is 8741728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82714781) 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, 183996 + ... + 184444.

It is an arithmetic number, because the mean of its divisors is an integer number (3710700).

Almost surely, 2^82714780 is an apocalyptic number.

It is an amenable number.

82714780 is an abundant number, since it is smaller than the sum of its proper divisors (95398820).

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

82714780 is a wasteful number, since it uses less digits than its factorization.

82714780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 82714780 is about 9094.7666270224. The cubic root of 82714780 is about 435.7068351575.

The spelling of 82714780 in words is "eighty-two million, seven hundred fourteen thousand, seven hundred eighty".