78414749473 has 8 divisors (see below), whose sum is σ = 78512504256. Its totient is φ = 78317038800.

The previous prime is 78414749447. The next prime is 78414749513. The reversal of 78414749473 is 37494741487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78414749473 is a prime.

It is a super-2 number, since 2×78414749473² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78414740473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4778743 + ... + 4795123.

It is an arithmetic number, because the mean of its divisors is an integer number (9814063032).

Almost surely, 2^78414749473 is an apocalyptic number.

It is an amenable number.

78414749473 is a deficient number, since it is larger than the sum of its proper divisors (97754783).

78414749473 is a wasteful number, since it uses less digits than its factorization.

78414749473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22055.

The product of its digits is 18966528, while the sum is 58.

The spelling of 78414749473 in words is "seventy-eight billion, four hundred fourteen million, seven hundred forty-nine thousand, four hundred seventy-three".