78040470741 has 8 divisors (see below), whose sum is σ = 104057232384. Its totient is φ = 52025344800.

The previous prime is 78040470731. The next prime is 78040470779. The reversal of 78040470741 is 14707404087.

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

It is a de Polignac number, because none of the positive numbers 2^k-78040470741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78040470693 and 78040470702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78040470701) 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 7 ways as a sum of consecutive naturals, for example, 292896 + ... + 491801.

It is an arithmetic number, because the mean of its divisors is an integer number (13007154048).

Almost surely, 2^78040470741 is an apocalyptic number.

It is an amenable number.

78040470741 is a deficient number, since it is larger than the sum of its proper divisors (26016761643).

78040470741 is a wasteful number, since it uses less digits than its factorization.

78040470741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817851.

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 78040470741 in words is "seventy-eight billion, forty million, four hundred seventy thousand, seven hundred forty-one".