82487750 has 16 divisors (see below), whose sum is σ = 154417536. Its totient is φ = 32995000.

The previous prime is 82487749. The next prime is 82487753. The reversal of 82487750 is 5778428.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82487698 and 82487707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82487753) 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, 164726 + ... + 165225.

It is an arithmetic number, because the mean of its divisors is an integer number (9651096).

Almost surely, 2^82487750 is an apocalyptic number.

82487750 is a deficient number, since it is larger than the sum of its proper divisors (71929786).

82487750 is a wasteful number, since it uses less digits than its factorization.

82487750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329968 (or 329958 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 82487750 is about 9082.2766969521. The cubic root of 82487750 is about 435.3078368862.

The spelling of 82487750 in words is "eighty-two million, four hundred eighty-seven thousand, seven hundred fifty".