78958341751 has 2 divisors, whose sum is σ = 78958341752. Its totient is φ = 78958341750.

The previous prime is 78958341739. The next prime is 78958341767. The reversal of 78958341751 is 15714385987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78958341751 - 2⁹ = 78958341239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78958342751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39479170875 + 39479170876.

It is an arithmetic number, because the mean of its divisors is an integer number (39479170876).

Almost surely, 2^78958341751 is an apocalyptic number.

78958341751 is a deficient number, since it is larger than the sum of its proper divisors (1).

78958341751 is an equidigital number, since it uses as much as digits as its factorization.

78958341751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 58.

The spelling of 78958341751 in words is "seventy-eight billion, nine hundred fifty-eight million, three hundred forty-one thousand, seven hundred fifty-one".