78314094243 has 32 divisors (see below), whose sum is σ = 144649413120. Its totient is φ = 40682645280.

The previous prime is 78314094241. The next prime is 78314094277. The reversal of 78314094243 is 34249041387.

78314094243 is a `hidden beast` number, since 7 + 8 + 314 + 0 + 94 + 243 = 666.

It is not a de Polignac number, because 78314094243 - 2¹ = 78314094241 is a prime.

It is a super-2 number, since 2×78314094243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78314094241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18832480 + ... + 18836637.

It is an arithmetic number, because the mean of its divisors is an integer number (4520294160).

Almost surely, 2^78314094243 is an apocalyptic number.

78314094243 is a deficient number, since it is larger than the sum of its proper divisors (66335318877).

78314094243 is a wasteful number, since it uses less digits than its factorization.

78314094243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37669144 (or 37669138 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 78314094243 in words is "seventy-eight billion, three hundred fourteen million, ninety-four thousand, two hundred forty-three".