87829378078 has 12 divisors (see below), whose sum is σ = 142657777368. Its totient is φ = 40536635880.

The previous prime is 87829378069. The next prime is 87829378079. The reversal of 87829378078 is 87087392878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87829378079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129924778 + ... + 129925453.

It is an arithmetic number, because the mean of its divisors is an integer number (11888148114).

Almost surely, 2^87829378078 is an apocalyptic number.

87829378078 is a deficient number, since it is larger than the sum of its proper divisors (54828399290).

87829378078 is a wasteful number, since it uses less digits than its factorization.

87829378078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259850259 (or 259850246 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 67.

The spelling of 87829378078 in words is "eighty-seven billion, eight hundred twenty-nine million, three hundred seventy-eight thousand, seventy-eight".