78288001427 has 8 divisors (see below), whose sum is σ = 82500660000. Its totient is φ = 74142745600.

The previous prime is 78288001417. The next prime is 78288001499. The reversal of 78288001427 is 72410088287.

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 78288001427 - 2¹⁴ = 78287985043 is a prime.

It is a super-2 number, since 2×78288001427² (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 (78288001417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16848302 + ... + 16852947.

It is an arithmetic number, because the mean of its divisors is an integer number (10312582500).

Almost surely, 2^78288001427 is an apocalyptic number.

78288001427 is a deficient number, since it is larger than the sum of its proper divisors (4212658573).

78288001427 is a wasteful number, since it uses less digits than its factorization.

78288001427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33701373.

The product of its (nonzero) digits is 401408, while the sum is 47.

The spelling of 78288001427 in words is "seventy-eight billion, two hundred eighty-eight million, one thousand, four hundred twenty-seven".