78140760045 has 16 divisors (see below), whose sum is σ = 125034306432. Its totient is φ = 41672041920.

The previous prime is 78140759989. The next prime is 78140760107. The reversal of 78140760045 is 54006704187.

It is not a de Polignac number, because 78140760045 - 2⁹ = 78140759533 is a prime.

It is a super-2 number, since 2×78140760045² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78140759979 and 78140760006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32160 + ... + 396630.

It is an arithmetic number, because the mean of its divisors is an integer number (7814644152).

Almost surely, 2^78140760045 is an apocalyptic number.

It is an amenable number.

78140760045 is a deficient number, since it is larger than the sum of its proper divisors (46893546387).

78140760045 is a wasteful number, since it uses less digits than its factorization.

78140760045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378772.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 78140760045 in words is "seventy-eight billion, one hundred forty million, seven hundred sixty thousand, forty-five".