78511072286374 has 32 divisors (see below), whose sum is σ = 144945254393856. Its totient is φ = 31058953230240.

The previous prime is 78511072286341. The next prime is 78511072286467. The reversal of 78511072286374 is 47368227011587.

It is a super-3 number, since 3×78511072286374³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12905139 + ... + 17987905.

It is an arithmetic number, because the mean of its divisors is an integer number (4529539199808).

Almost surely, 2^{78511072286374} is an apocalyptic number.

78511072286374 is a deficient number, since it is larger than the sum of its proper divisors (66434182107482).

78511072286374 is a wasteful number, since it uses less digits than its factorization.

78511072286374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5167660.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 78511072286374 in words is "seventy-eight trillion, five hundred eleven billion, seventy-two million, two hundred eighty-six thousand, three hundred seventy-four".