78283280401 has 8 divisors (see below), whose sum is σ = 82450332864. Its totient is φ = 74179847280.

The previous prime is 78283280393. The next prime is 78283280429. The reversal of 78283280401 is 10408238287.

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

It is a cyclic number.

It is not a de Polignac number, because 78283280401 - 2³ = 78283280393 is a prime.

It is a super-2 number, since 2×78283280401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78283280461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15902310 + ... + 15907231.

It is an arithmetic number, because the mean of its divisors is an integer number (10306291608).

Almost surely, 2^78283280401 is an apocalyptic number.

It is an amenable number.

78283280401 is a deficient number, since it is larger than the sum of its proper divisors (4167052463).

78283280401 is a wasteful number, since it uses less digits than its factorization.

78283280401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31809671.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 78283280401 in words is "seventy-eight billion, two hundred eighty-three million, two hundred eighty thousand, four hundred one".