782873674870 has 64 divisors (see below), whose sum is σ = 1652777358336. Its totient is φ = 261450218880.

The previous prime is 782873674787. The next prime is 782873674909. The reversal of 782873674870 is 78476378287.

It is a super-2 number, since 2×782873674870² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782873674796 and 782873674805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450204 + ... + 1329823.

It is an arithmetic number, because the mean of its divisors is an integer number (25824646224).

Almost surely, 2^782873674870 is an apocalyptic number.

782873674870 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

782873674870 is an abundant number, since it is smaller than the sum of its proper divisors (869903683466).

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

782873674870 is a wasteful number, since it uses less digits than its factorization.

782873674870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780205.

The product of its (nonzero) digits is 177020928, while the sum is 67.

The spelling of 782873674870 in words is "seven hundred eighty-two billion, eight hundred seventy-three million, six hundred seventy-four thousand, eight hundred seventy".