78176630005 has 16 divisors (see below), whose sum is σ = 95019598080. Its totient is φ = 61736545728.

The previous prime is 78176630003. The next prime is 78176630053. The reversal of 78176630005 is 50003667187.

It is a cyclic number.

It is not a de Polignac number, because 78176630005 - 2¹ = 78176630003 is a prime.

It is a super-3 number, since 3×78176630005³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78176630003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119854 + ... + 2156416.

It is an arithmetic number, because the mean of its divisors is an integer number (5938724880).

Almost surely, 2^78176630005 is an apocalyptic number.

It is an amenable number.

78176630005 is a deficient number, since it is larger than the sum of its proper divisors (16842968075).

78176630005 is a wasteful number, since it uses less digits than its factorization.

78176630005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42060.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 78176630005 in words is "seventy-eight billion, one hundred seventy-six million, six hundred thirty thousand, five".