78152026760072 has 16 divisors (see below), whose sum is σ = 146535146275740. Its totient is φ = 39075987753216.

The previous prime is 78152026760063. The next prime is 78152026760147. The reversal of 78152026760072 is 27006762025187.

It can be written as a sum of positive squares in 2 ways, for example, as 78001291803556 + 150734956516 = 8831834^2 + 388246^2 .

It is a super-2 number, since 2×78152026760072² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78152026759996 and 78152026760023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18060188 + ... + 21965300.

Almost surely, 2^{78152026760072} is an apocalyptic number.

It is an amenable number.

78152026760072 is a deficient number, since it is larger than the sum of its proper divisors (68383119515668).

78152026760072 is a wasteful number, since it uses less digits than its factorization.

78152026760072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406712 (or 6406708 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 78152026760072 in words is "seventy-eight trillion, one hundred fifty-two billion, twenty-six million, seven hundred sixty thousand, seventy-two".