78280022416 has 80 divisors (see below), whose sum is σ = 155334932928. Its totient is φ = 38204812800.

The previous prime is 78280022371. The next prime is 78280022423. The reversal of 78280022416 is 61422008287.

It is a super-2 number, since 2×78280022416² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94654995 + ... + 94655821.

Almost surely, 2^78280022416 is an apocalyptic number.

It is an amenable number.

78280022416 is a deficient number, since it is larger than the sum of its proper divisors (77054910512).

78280022416 is a wasteful number, since it uses less digits than its factorization.

78280022416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 78280022416 in words is "seventy-eight billion, two hundred eighty million, twenty-two thousand, four hundred sixteen".