78716153847 has 32 divisors (see below), whose sum is σ = 113756493312. Its totient is φ = 48223494144.

The previous prime is 78716153773. The next prime is 78716153861. The reversal of 78716153847 is 74835161787.

It is not a de Polignac number, because 78716153847 - 2²⁷ = 78581936119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78716153647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7729623 + ... + 7739799.

It is an arithmetic number, because the mean of its divisors is an integer number (3554890416).

Almost surely, 2^78716153847 is an apocalyptic number.

78716153847 is a deficient number, since it is larger than the sum of its proper divisors (35040339465).

78716153847 is a wasteful number, since it uses less digits than its factorization.

78716153847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767.

The product of its digits is 7902720, while the sum is 57.

The spelling of 78716153847 in words is "seventy-eight billion, seven hundred sixteen million, one hundred fifty-three thousand, eight hundred forty-seven".