78845097254 has 48 divisors (see below), whose sum is σ = 153360227328. Its totient is φ = 29727918000.

The previous prime is 78845097187. The next prime is 78845097257. The reversal of 78845097254 is 45279054887.

It is a super-3 number, since 3×78845097254³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78845097193 and 78845097202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78845097257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698192 + ... + 803219.

It is an arithmetic number, because the mean of its divisors is an integer number (3195004736).

Almost surely, 2^78845097254 is an apocalyptic number.

78845097254 is a deficient number, since it is larger than the sum of its proper divisors (74515130074).

78845097254 is a wasteful number, since it uses less digits than its factorization.

78845097254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501473 (or 1501462 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 78845097254 in words is "seventy-eight billion, eight hundred forty-five million, ninety-seven thousand, two hundred fifty-four".