78974361744363 has 24 divisors (see below), whose sum is σ = 116502841705536. Its totient is φ = 51528638505600.

The previous prime is 78974361744281. The next prime is 78974361744371. The reversal of 78974361744363 is 36344716347987.

It is a happy number.

78974361744363 is a `hidden beast` number, since 7 + 8 + 97 + 4 + 3 + 6 + 174 + 4 + 363 = 666.

It is not a de Polignac number, because 78974361744363 - 2²² = 78974357550059 is a prime.

It is a super-2 number, since 2×78974361744363² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78974361744291 and 78974361744300.

It is not an unprimeable number, because it can be changed into a prime (78974361742363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29309823 + ... + 31890663.

It is an arithmetic number, because the mean of its divisors is an integer number (4854285071064).

Almost surely, 2^{78974361744363} is an apocalyptic number.

78974361744363 is a deficient number, since it is larger than the sum of its proper divisors (37528479961173).

78974361744363 is a wasteful number, since it uses less digits than its factorization.

78974361744363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653235 (or 2653232 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 72.

The spelling of 78974361744363 in words is "seventy-eight trillion, nine hundred seventy-four billion, three hundred sixty-one million, seven hundred forty-four thousand, three hundred sixty-three".