78909614580622 has 16 divisors (see below), whose sum is σ = 135276903836640. Its totient is φ = 33817586538528.

The previous prime is 78909614580617. The next prime is 78909614580691. The reversal of 78909614580622 is 22608541690987.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67710793 + ... + 68866324.

It is an arithmetic number, because the mean of its divisors is an integer number (8454806489790).

Almost surely, 2^{78909614580622} is an apocalyptic number.

78909614580622 is a deficient number, since it is larger than the sum of its proper divisors (56367289256018).

78909614580622 is a wasteful number, since it uses less digits than its factorization.

78909614580622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136618395.

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 78909614580622 in words is "seventy-eight trillion, nine hundred nine billion, six hundred fourteen million, five hundred eighty thousand, six hundred twenty-two".