78782415134005 has 64 divisors (see below), whose sum is σ = 110269703351808. Its totient is φ = 53397778268160.

The previous prime is 78782415133969. The next prime is 78782415134021. The reversal of 78782415134005 is 50043151428787.

It is not a de Polignac number, because 78782415134005 - 2⁴¹ = 76583391878453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1411514479 + ... + 1411570291.

It is an arithmetic number, because the mean of its divisors is an integer number (1722964114872).

Almost surely, 2^{78782415134005} is an apocalyptic number.

It is an amenable number.

78782415134005 is a deficient number, since it is larger than the sum of its proper divisors (31487288217803).

78782415134005 is a wasteful number, since it uses less digits than its factorization.

78782415134005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70606.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 78782415134005 in words is "seventy-eight trillion, seven hundred eighty-two billion, four hundred fifteen million, one hundred thirty-four thousand, five".