78882037808717 has 32 divisors (see below), whose sum is σ = 98514866265984. Its totient is φ = 62052698880000.

The previous prime is 78882037808713. The next prime is 78882037808753. The reversal of 78882037808717 is 71780873028887.

It is a cyclic number.

It is not a de Polignac number, because 78882037808717 - 2² = 78882037808713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78882037808713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64028048 + ... + 65248409.

It is an arithmetic number, because the mean of its divisors is an integer number (3078589570812).

Almost surely, 2^{78882037808717} is an apocalyptic number.

It is an amenable number.

78882037808717 is a deficient number, since it is larger than the sum of its proper divisors (19632828457267).

78882037808717 is a wasteful number, since it uses less digits than its factorization.

78882037808717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129276749.

The product of its (nonzero) digits is 472055808, while the sum is 74.

The spelling of 78882037808717 in words is "seventy-eight trillion, eight hundred eighty-two billion, thirty-seven million, eight hundred eight thousand, seven hundred seventeen".