78882261038715 has 32 divisors (see below), whose sum is σ = 130337771821056. Its totient is φ = 40696296410880.

The previous prime is 78882261038701. The next prime is 78882261038741. The reversal of 78882261038715 is 51783016228887.

It is not a de Polignac number, because 78882261038715 - 2⁸ = 78882261038459 is a prime.

It is a super-2 number, since 2×78882261038715² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 34578177 + ... + 36788786.

It is an arithmetic number, because the mean of its divisors is an integer number (4073055369408).

Almost surely, 2^{78882261038715} is an apocalyptic number.

78882261038715 is a deficient number, since it is larger than the sum of its proper divisors (51455510782341).

78882261038715 is a wasteful number, since it uses less digits than its factorization.

78882261038715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71369379.

The product of its (nonzero) digits is 72253440, while the sum is 66.

The spelling of 78882261038715 in words is "seventy-eight trillion, eight hundred eighty-two billion, two hundred sixty-one million, thirty-eight thousand, seven hundred fifteen".