78041687626 has 8 divisors (see below), whose sum is σ = 133785750240. Its totient is φ = 33446437548.

The previous prime is 78041687623. The next prime is 78041687639. The reversal of 78041687626 is 62678614087.

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

It is not an unprimeable number, because it can be changed into a prime (78041687621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787203116 + ... + 2787203143.

It is an arithmetic number, because the mean of its divisors is an integer number (16723218780).

Almost surely, 2^78041687626 is an apocalyptic number.

78041687626 is a deficient number, since it is larger than the sum of its proper divisors (55744062614).

78041687626 is a wasteful number, since it uses less digits than its factorization.

78041687626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574406268.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 78041687626 in words is "seventy-eight billion, forty-one million, six hundred eighty-seven thousand, six hundred twenty-six".