78297607474 has 16 divisors (see below), whose sum is σ = 119954016000. Its totient is φ = 38313057024.

The previous prime is 78297607459. The next prime is 78297607517. The reversal of 78297607474 is 47470679287.

It is a super-2 number, since 2×78297607474² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 1947427 + ... + 1987225.

It is an arithmetic number, because the mean of its divisors is an integer number (7497126000).

Almost surely, 2^78297607474 is an apocalyptic number.

78297607474 is a deficient number, since it is larger than the sum of its proper divisors (41656408526).

78297607474 is a wasteful number, since it uses less digits than its factorization.

78297607474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60777.

The product of its (nonzero) digits is 33191424, while the sum is 61.

The spelling of 78297607474 in words is "seventy-eight billion, two hundred ninety-seven million, six hundred seven thousand, four hundred seventy-four".