78889278730711 has 8 divisors (see below), whose sum is σ = 80462825375904. Its totient is φ = 77328577364640.

The previous prime is 78889278730709. The next prime is 78889278730739. The reversal of 78889278730711 is 11703787298887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78889278730711 - 2¹ = 78889278730709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78889278734711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211307376 + ... + 3211331941.

It is an arithmetic number, because the mean of its divisors is an integer number (10057853171988).

Almost surely, 2^{78889278730711} is an apocalyptic number.

78889278730711 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

78889278730711 is a deficient number, since it is larger than the sum of its proper divisors (1573546645193).

78889278730711 is a wasteful number, since it uses less digits than its factorization.

78889278730711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422639561.

The product of its (nonzero) digits is 531062784, while the sum is 76.

The spelling of 78889278730711 in words is "seventy-eight trillion, eight hundred eighty-nine billion, two hundred seventy-eight million, seven hundred thirty thousand, seven hundred eleven".