78414749474 has 16 divisors (see below), whose sum is σ = 124888003200. Its totient is φ = 36798264384.

The previous prime is 78414749447. The next prime is 78414749513. The reversal of 78414749474 is 47494741487.

It is a super-2 number, since 2×78414749474² (a number of 23 digits) contains 22 as substring.

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, 3199934 + ... + 3224345.

It is an arithmetic number, because the mean of its divisors is an integer number (7805500200).

Almost surely, 2^78414749474 is an apocalyptic number.

78414749474 is a deficient number, since it is larger than the sum of its proper divisors (46473253726).

78414749474 is a wasteful number, since it uses less digits than its factorization.

78414749474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424657.

The product of its digits is 25288704, while the sum is 59.

The spelling of 78414749474 in words is "seventy-eight billion, four hundred fourteen million, seven hundred forty-nine thousand, four hundred seventy-four".