78260826483542 has 16 divisors (see below), whose sum is σ = 120367991533392. Its totient is φ = 38147567858400.

The previous prime is 78260826483527. The next prime is 78260826483559. The reversal of 78260826483542 is 24538462806287.

It is a happy number.

It is a super-2 number, since 2×78260826483542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351288084 + ... + 2351321367.

It is an arithmetic number, because the mean of its divisors is an integer number (7522999470837).

Almost surely, 2^{78260826483542} is an apocalyptic number.

78260826483542 is a deficient number, since it is larger than the sum of its proper divisors (42107165049850).

78260826483542 is a wasteful number, since it uses less digits than its factorization.

78260826483542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702609663.

The product of its (nonzero) digits is 247726080, while the sum is 65.

The spelling of 78260826483542 in words is "seventy-eight trillion, two hundred sixty billion, eight hundred twenty-six million, four hundred eighty-three thousand, five hundred forty-two".