78768284959 has 64 divisors (see below), whose sum is σ = 103638528000. Its totient is φ = 58093221888.

The previous prime is 78768284957. The next prime is 78768284963. The reversal of 78768284959 is 95948286787.

It is not a de Polignac number, because 78768284959 - 2¹ = 78768284957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78768284891 and 78768284900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78768284957) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131499342 + ... + 131499940.

It is an arithmetic number, because the mean of its divisors is an integer number (1619352000).

Almost surely, 2^78768284959 is an apocalyptic number.

78768284959 is a deficient number, since it is larger than the sum of its proper divisors (24870243041).

78768284959 is a wasteful number, since it uses less digits than its factorization.

78768284959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 487710720, while the sum is 73.

The spelling of 78768284959 in words is "seventy-eight billion, seven hundred sixty-eight million, two hundred eighty-four thousand, nine hundred fifty-nine".