78160711 has 2 divisors, whose sum is σ = 78160712. Its totient is φ = 78160710.

The previous prime is 78160681. The next prime is 78160721. The reversal of 78160711 is 11706187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78160711 - 2¹⁹ = 77636423 is a prime.

It is a super-2 number, since 2×78160711² = 12218193488051042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78160721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39080355 + 39080356.

It is an arithmetic number, because the mean of its divisors is an integer number (39080356).

Almost surely, 2^78160711 is an apocalyptic number.

78160711 is a deficient number, since it is larger than the sum of its proper divisors (1).

78160711 is an equidigital number, since it uses as much as digits as its factorization.

78160711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 78160711 is about 8840.8546532561. The cubic root of 78160711 is about 427.5591126949.

Adding to 78160711 its reverse (11706187), we get a palindrome (89866898).

The spelling of 78160711 in words is "seventy-eight million, one hundred sixty thousand, seven hundred eleven".