78290284506 has 16 divisors (see below), whose sum is σ = 178949221824. Its totient is φ = 22368652704.

The previous prime is 78290284477. The next prime is 78290284537. The reversal of 78290284506 is 60548209287.

It is a super-2 number, since 2×78290284506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932027155 + ... + 932027238.

It is an arithmetic number, because the mean of its divisors is an integer number (11184326364).

Almost surely, 2^78290284506 is an apocalyptic number.

78290284506 is an abundant number, since it is smaller than the sum of its proper divisors (100658937318).

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

78290284506 is a wasteful number, since it uses less digits than its factorization.

78290284506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864054405.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 78290284506 in words is "seventy-eight billion, two hundred ninety million, two hundred eighty-four thousand, five hundred six".