813780753067 has 2 divisors, whose sum is σ = 813780753068. Its totient is φ = 813780753066.

The previous prime is 813780753053. The next prime is 813780753119. The reversal of 813780753067 is 760357087318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 813780753067 - 2²³ = 813772364459 is a prime.

It is a super-2 number, since 2×813780753067² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813780752999 and 813780753017.

It is not a weakly prime, because it can be changed into another prime (813780753007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406890376533 + 406890376534.

It is an arithmetic number, because the mean of its divisors is an integer number (406890376534).

Almost surely, 2^813780753067 is an apocalyptic number.

813780753067 is a deficient number, since it is larger than the sum of its proper divisors (1).

813780753067 is an equidigital number, since it uses as much as digits as its factorization.

813780753067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 813780753067 in words is "eight hundred thirteen billion, seven hundred eighty million, seven hundred fifty-three thousand, sixty-seven".