78051940048579 has 8 divisors (see below), whose sum is σ = 89591746532960. Its totient is φ = 66609515897856.

The previous prime is 78051940048573. The next prime is 78051940048583. The reversal of 78051940048579 is 97584004915087.

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

It is a cyclic number.

It is not a de Polignac number, because 78051940048579 - 2⁷ = 78051940048451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78051940048573) 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, 24345581694 + ... + 24345584899.

It is an arithmetic number, because the mean of its divisors is an integer number (11198968316620).

Almost surely, 2^{78051940048579} is an apocalyptic number.

78051940048579 is a deficient number, since it is larger than the sum of its proper divisors (11539806484381).

78051940048579 is a wasteful number, since it uses less digits than its factorization.

78051940048579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48691166829.

The product of its (nonzero) digits is 101606400, while the sum is 67.

The spelling of 78051940048579 in words is "seventy-eight trillion, fifty-one billion, nine hundred forty million, forty-eight thousand, five hundred seventy-nine".