56780899403 has 2 divisors, whose sum is σ = 56780899404. Its totient is φ = 56780899402.

The previous prime is 56780899361. The next prime is 56780899451. The reversal of 56780899403 is 30499808765.

56780899403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56780899403 - 2¹² = 56780895307 is a prime.

It is not a weakly prime, because it can be changed into another prime (56780890403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28390449701 + 28390449702.

It is an arithmetic number, because the mean of its divisors is an integer number (28390449702).

Almost surely, 2^56780899403 is an apocalyptic number.

56780899403 is a deficient number, since it is larger than the sum of its proper divisors (1).

56780899403 is an equidigital number, since it uses as much as digits as its factorization.

56780899403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 56780899403 in words is "fifty-six billion, seven hundred eighty million, eight hundred ninety-nine thousand, four hundred three".