780082086 has 16 divisors (see below), whose sum is σ = 1783044864. Its totient is φ = 222880584.

The previous prime is 780082073. The next prime is 780082087. The reversal of 780082086 is 680280087.

It is a super-2 number, since 2×780082086² = 1217056121796222792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780082087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9286650 + ... + 9286733.

It is an arithmetic number, because the mean of its divisors is an integer number (111440304).

Almost surely, 2^780082086 is an apocalyptic number.

780082086 is an abundant number, since it is smaller than the sum of its proper divisors (1002962778).

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

780082086 is a wasteful number, since it uses less digits than its factorization.

780082086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573395.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 780082086 is about 27929.9496240147. The cubic root of 780082086 is about 920.5486983624.

The spelling of 780082086 in words is "seven hundred eighty million, eighty-two thousand, eighty-six".