786402253397 has 2 divisors, whose sum is σ = 786402253398. Its totient is φ = 786402253396.

The previous prime is 786402253369. The next prime is 786402253463. The reversal of 786402253397 is 793352204687.

786402253397 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 can be written as a sum of positive squares in only one way, i.e., 777767011921 + 8635241476 = 881911^2 + 92926^2 .

It is a cyclic number.

It is not a de Polignac number, because 786402253397 - 2⁶ = 786402253333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (786402253327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393201126698 + 393201126699.

It is an arithmetic number, because the mean of its divisors is an integer number (393201126699).

Almost surely, 2^786402253397 is an apocalyptic number.

It is an amenable number.

786402253397 is a deficient number, since it is larger than the sum of its proper divisors (1).

786402253397 is an equidigital number, since it uses as much as digits as its factorization.

786402253397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 786402253397 in words is "seven hundred eighty-six billion, four hundred two million, two hundred fifty-three thousand, three hundred ninety-seven".