78965043575 has 24 divisors (see below), whose sum is σ = 112440184320. Its totient is φ = 54406533600.

The previous prime is 78965043497. The next prime is 78965043581. The reversal of 78965043575 is 57534056987.

It is a happy number.

It is not a de Polignac number, because 78965043575 - 2¹⁴ = 78965027191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7551239 + ... + 7561688.

It is an arithmetic number, because the mean of its divisors is an integer number (4685007680).

Almost surely, 2^78965043575 is an apocalyptic number.

78965043575 is a deficient number, since it is larger than the sum of its proper divisors (33475140745).

78965043575 is a wasteful number, since it uses less digits than its factorization.

78965043575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112967 (or 15112962 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 78965043575 in words is "seventy-eight billion, nine hundred sixty-five million, forty-three thousand, five hundred seventy-five".