78145827265473 has 16 divisors (see below), whose sum is σ = 113666959929600. Its totient is φ = 47360981563280.

The previous prime is 78145827265459. The next prime is 78145827265549. The reversal of 78145827265473 is 37456272854187.

It is not a de Polignac number, because 78145827265473 - 2⁸ = 78145827265217 is a prime.

It is a super-2 number, since 2×78145827265473² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78145827265398 and 78145827265407.

It is not an unprimeable number, because it can be changed into a prime (78145827265423) by changing a digit.

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, 10318198 + ... + 16209776.

It is an arithmetic number, because the mean of its divisors is an integer number (7104184995600).

Almost surely, 2^{78145827265473} is an apocalyptic number.

It is an amenable number.

78145827265473 is a deficient number, since it is larger than the sum of its proper divisors (35521132664127).

78145827265473 is a wasteful number, since it uses less digits than its factorization.

78145827265473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293532.

The product of its digits is 632217600, while the sum is 69.

The spelling of 78145827265473 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred twenty-seven million, two hundred sixty-five thousand, four hundred seventy-three".