78625531414 has 4 divisors (see below), whose sum is σ = 117938297124. Its totient is φ = 39312765706.

The previous prime is 78625531363. The next prime is 78625531417. The reversal of 78625531414 is 41413552687.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78625531417) 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 as a sum of consecutive naturals, namely, 19656382852 + ... + 19656382855.

It is an arithmetic number, because the mean of its divisors is an integer number (29484574281).

Almost surely, 2^78625531414 is an apocalyptic number.

78625531414 is a deficient number, since it is larger than the sum of its proper divisors (39312765710).

78625531414 is a wasteful number, since it uses less digits than its factorization.

78625531414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39312765709.

The product of its digits is 806400, while the sum is 46.

The spelling of 78625531414 in words is "seventy-eight billion, six hundred twenty-five million, five hundred thirty-one thousand, four hundred fourteen".