78298240922 has 8 divisors (see below), whose sum is σ = 128124394272. Its totient is φ = 35590109500.

The previous prime is 78298240921. The next prime is 78298240957. The reversal of 78298240922 is 22904289287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78298240922² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78298240921) 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 3 ways as a sum of consecutive naturals, for example, 1779505454 + ... + 1779505497.

It is an arithmetic number, because the mean of its divisors is an integer number (16015549284).

Almost surely, 2^78298240922 is an apocalyptic number.

78298240922 is a deficient number, since it is larger than the sum of its proper divisors (49826153350).

78298240922 is a wasteful number, since it uses less digits than its factorization.

78298240922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559010964.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 78298240922 in words is "seventy-eight billion, two hundred ninety-eight million, two hundred forty thousand, nine hundred twenty-two".