78041380083405 has 16 divisors (see below), whose sum is σ = 124988746144320. Its totient is φ = 41581223374208.

The previous prime is 78041380083391. The next prime is 78041380083431. The reversal of 78041380083405 is 50438008314087.

It is a cyclic number.

It is not a de Polignac number, because 78041380083405 - 2²² = 78041375889101 is a prime.

It is a Curzon number.

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, 2552859432 + ... + 2552890001.

It is an arithmetic number, because the mean of its divisors is an integer number (7811796634020).

Almost surely, 2^{78041380083405} is an apocalyptic number.

It is an amenable number.

78041380083405 is a deficient number, since it is larger than the sum of its proper divisors (46947366060915).

78041380083405 is a wasteful number, since it uses less digits than its factorization.

78041380083405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105750460.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 78041380083405 in words is "seventy-eight trillion, forty-one billion, three hundred eighty million, eighty-three thousand, four hundred five".