78340566201 has 8 divisors (see below), whose sum is σ = 104456968800. Its totient is φ = 52225603872.

The previous prime is 78340566173. The next prime is 78340566233. The reversal of 78340566201 is 10266504387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78340566201 - 2⁹ = 78340565689 is a prime.

It is a super-2 number, since 2×78340566201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78340566301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226020 + ... + 455813.

It is an arithmetic number, because the mean of its divisors is an integer number (13057121100).

Almost surely, 2^78340566201 is an apocalyptic number.

It is an amenable number.

78340566201 is a deficient number, since it is larger than the sum of its proper divisors (26116402599).

78340566201 is a wasteful number, since it uses less digits than its factorization.

78340566201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720135.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 78340566201 in words is "seventy-eight billion, three hundred forty million, five hundred sixty-six thousand, two hundred one".