87526139474 has 8 divisors (see below), whose sum is σ = 135524345088. Its totient is φ = 42351357780.

The previous prime is 87526139473. The next prime is 87526139479. The reversal of 87526139474 is 47493162578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87526139473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705855902 + ... + 705856025.

It is an arithmetic number, because the mean of its divisors is an integer number (16940543136).

Almost surely, 2^87526139474 is an apocalyptic number.

87526139474 is a deficient number, since it is larger than the sum of its proper divisors (47998205614).

87526139474 is a wasteful number, since it uses less digits than its factorization.

87526139474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411711960.

The product of its digits is 10160640, while the sum is 56.

The spelling of 87526139474 in words is "eighty-seven billion, five hundred twenty-six million, one hundred thirty-nine thousand, four hundred seventy-four".