780124400027 has 12 divisors (see below), whose sum is σ = 907701044040. Its totient is φ = 668523766176.

The previous prime is 780124400023. The next prime is 780124400147. The reversal of 780124400027 is 720004421087.

It is a happy number.

780124400027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 780124400027 - 2² = 780124400023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 780124400027.

It is not an unprimeable number, because it can be changed into a prime (780124400021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622018 + ... + 2047239.

It is an arithmetic number, because the mean of its divisors is an integer number (75641753670).

Almost surely, 2^780124400027 is an apocalyptic number.

780124400027 is a deficient number, since it is larger than the sum of its proper divisors (127576644013).

780124400027 is a wasteful number, since it uses less digits than its factorization.

780124400027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673610 (or 3673603 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 780124400027 in words is "seven hundred eighty billion, one hundred twenty-four million, four hundred thousand, twenty-seven".