78216116803474 has 32 divisors (see below), whose sum is σ = 126463838699520. Its totient is φ = 36066969576000.

The previous prime is 78216116803463. The next prime is 78216116803511. The reversal of 78216116803474 is 47430861161287.

It is a super-2 number, since 2×78216116803474² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454047519 + ... + 1454101309.

It is an arithmetic number, because the mean of its divisors is an integer number (3951994959360).

Almost surely, 2^{78216116803474} is an apocalyptic number.

78216116803474 is a deficient number, since it is larger than the sum of its proper divisors (48247721896046).

78216116803474 is a wasteful number, since it uses less digits than its factorization.

78216116803474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103546.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 78216116803474 in words is "seventy-eight trillion, two hundred sixteen billion, one hundred sixteen million, eight hundred three thousand, four hundred seventy-four".