78467084953 has 2 divisors, whose sum is σ = 78467084954. Its totient is φ = 78467084952.

The previous prime is 78467084939. The next prime is 78467085007. The reversal of 78467084953 is 35948076487.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74230637209 + 4236447744 = 272453^2 + 65088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78467084953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78467084891 and 78467084900.

It is not a weakly prime, because it can be changed into another prime (78467084903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39233542476 + 39233542477.

It is an arithmetic number, because the mean of its divisors is an integer number (39233542477).

Almost surely, 2^78467084953 is an apocalyptic number.

It is an amenable number.

78467084953 is a deficient number, since it is larger than the sum of its proper divisors (1).

78467084953 is an equidigital number, since it uses as much as digits as its factorization.

78467084953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 78467084953 in words is "seventy-eight billion, four hundred sixty-seven million, eighty-four thousand, nine hundred fifty-three".