78265122636354 has 32 divisors (see below), whose sum is σ = 160200690084864. Its totient is φ = 25476862247760.

The previous prime is 78265122636347. The next prime is 78265122636367. The reversal of 78265122636354 is 45363622156287.

It is a super-2 number, since 2×78265122636354² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27233862 + ... + 29970209.

It is an arithmetic number, because the mean of its divisors is an integer number (5006271565152).

Almost surely, 2^{78265122636354} is an apocalyptic number.

78265122636354 is an abundant number, since it is smaller than the sum of its proper divisors (81935567448510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78265122636354 is a wasteful number, since it uses less digits than its factorization.

78265122636354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57209422.

The product of its digits is 87091200, while the sum is 60.

The spelling of 78265122636354 in words is "seventy-eight trillion, two hundred sixty-five billion, one hundred twenty-two million, six hundred thirty-six thousand, three hundred fifty-four".