782660082870 has 48 divisors (see below), whose sum is σ = 2045459868192. Its totient is φ = 207627955200.

The previous prime is 782660082859. The next prime is 782660082871. The reversal of 782660082870 is 78280066287.

782660082870 is a `hidden beast` number, since 7 + 8 + 2 + 6 + 600 + 8 + 28 + 7 + 0 = 666.

It is a super-2 number, since 2×782660082870² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782660082871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22511706 + ... + 22546445.

It is an arithmetic number, because the mean of its divisors is an integer number (42613747254).

Almost surely, 2^782660082870 is an apocalyptic number.

782660082870 is an abundant number, since it is smaller than the sum of its proper divisors (1262799785322).

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

782660082870 is a wasteful number, since it uses less digits than its factorization.

782660082870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45058357 (or 45058354 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 782660082870 in words is "seven hundred eighty-two billion, six hundred sixty million, eighty-two thousand, eight hundred seventy".