78507011614243 has 16 divisors (see below), whose sum is σ = 84657149892000. Its totient is φ = 72558804049920.

The previous prime is 78507011614211. The next prime is 78507011614309. The reversal of 78507011614243 is 34241611070587.

It is not a de Polignac number, because 78507011614243 - 2⁵ = 78507011614211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78507011674243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24042183 + ... + 27111631.

It is an arithmetic number, because the mean of its divisors is an integer number (5291071868250).

Almost surely, 2^{78507011614243} is an apocalyptic number.

78507011614243 is a deficient number, since it is larger than the sum of its proper divisors (6150138277757).

78507011614243 is a wasteful number, since it uses less digits than its factorization.

78507011614243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102342.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 78507011614243 in words is "seventy-eight trillion, five hundred seven billion, eleven million, six hundred fourteen thousand, two hundred forty-three".