78930142471 has 2 divisors, whose sum is σ = 78930142472. Its totient is φ = 78930142470.

The previous prime is 78930142457. The next prime is 78930142483. The reversal of 78930142471 is 17424103987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78930142471 - 2²¹ = 78928045319 is a prime.

It is a super-3 number, since 3×78930142471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78930142771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39465071235 + 39465071236.

It is an arithmetic number, because the mean of its divisors is an integer number (39465071236).

Almost surely, 2^78930142471 is an apocalyptic number.

78930142471 is a deficient number, since it is larger than the sum of its proper divisors (1).

78930142471 is an equidigital number, since it uses as much as digits as its factorization.

78930142471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 78930142471 in words is "seventy-eight billion, nine hundred thirty million, one hundred forty-two thousand, four hundred seventy-one".