78416007701 has 2 divisors, whose sum is σ = 78416007702. Its totient is φ = 78416007700.

The previous prime is 78416007671. The next prime is 78416007707. The reversal of 78416007701 is 10770061487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43441397476 + 34974610225 = 208426^2 + 187015^2 .

It is a cyclic number.

It is not a de Polignac number, because 78416007701 - 2¹⁰ = 78416006677 is a prime.

It is a super-2 number, since 2×78416007701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78416007707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39208003850 + 39208003851.

It is an arithmetic number, because the mean of its divisors is an integer number (39208003851).

Almost surely, 2^78416007701 is an apocalyptic number.

It is an amenable number.

78416007701 is a deficient number, since it is larger than the sum of its proper divisors (1).

78416007701 is an equidigital number, since it uses as much as digits as its factorization.

78416007701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 78416007701 in words is "seventy-eight billion, four hundred sixteen million, seven thousand, seven hundred one".