82445470782470 has 32 divisors (see below), whose sum is σ = 150190800183648. Its totient is φ = 32580648430848.

The previous prime is 82445470782397. The next prime is 82445470782503. The reversal of 82445470782470 is 7428707454428.

It is a super-2 number, since 2×82445470782470² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207348692 + ... + 207745928.

It is an arithmetic number, because the mean of its divisors is an integer number (4693462505739).

Almost surely, 2^{82445470782470} is an apocalyptic number.

82445470782470 is a deficient number, since it is larger than the sum of its proper divisors (67745329401178).

82445470782470 is a wasteful number, since it uses less digits than its factorization.

82445470782470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647384.

The product of its (nonzero) digits is 112394240, while the sum is 62.

The spelling of 82445470782470 in words is "eighty-two trillion, four hundred forty-five billion, four hundred seventy million, seven hundred eighty-two thousand, four hundred seventy".