78587027375526 has 128 divisors (see below), whose sum is σ = 184557234585600. Its totient is φ = 24718734761760.

The previous prime is 78587027375509. The next prime is 78587027375533. The reversal of 78587027375526 is 62557372078587.

78587027375526 is a `hidden beast` number, since 7 + 8 + 5 + 8 + 7 + 0 + 27 + 3 + 75 + 526 = 666.

78587027375526 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1090738435 + ... + 1090810481.

It is an arithmetic number, because the mean of its divisors is an integer number (1441853395200).

Almost surely, 2^{78587027375526} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78587027375526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92278617292800).

78587027375526 is an abundant number, since it is smaller than the sum of its proper divisors (105970207210074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78587027375526 is a wasteful number, since it uses less digits than its factorization.

78587027375526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76271 (or 76265 counting only the distinct ones).

The product of its (nonzero) digits is 1382976000, while the sum is 72.

The spelling of 78587027375526 in words is "seventy-eight trillion, five hundred eighty-seven billion, twenty-seven million, three hundred seventy-five thousand, five hundred twenty-six".