78676154147 has 2 divisors, whose sum is σ = 78676154148. Its totient is φ = 78676154146.

The previous prime is 78676154143. The next prime is 78676154189. The reversal of 78676154147 is 74145167687.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78676154147 - 2² = 78676154143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78676154092 and 78676154101.

It is not a weakly prime, because it can be changed into another prime (78676154143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39338077073 + 39338077074.

It is an arithmetic number, because the mean of its divisors is an integer number (39338077074).

Almost surely, 2^78676154147 is an apocalyptic number.

78676154147 is a deficient number, since it is larger than the sum of its proper divisors (1).

78676154147 is an equidigital number, since it uses as much as digits as its factorization.

78676154147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7902720, while the sum is 56.

The spelling of 78676154147 in words is "seventy-eight billion, six hundred seventy-six million, one hundred fifty-four thousand, one hundred forty-seven".