87427072478 has 8 divisors (see below), whose sum is σ = 132987659760. Its totient is φ = 43097852560.

The previous prime is 87427072477. The next prime is 87427072489.

87427072478 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87427072477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307841663 + ... + 307841946.

It is an arithmetic number, because the mean of its divisors is an integer number (16623457470).

Almost surely, 2^87427072478 is an apocalyptic number.

87427072478 is a deficient number, since it is larger than the sum of its proper divisors (45560587282).

87427072478 is a wasteful number, since it uses less digits than its factorization.

87427072478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615683682.

The product of its (nonzero) digits is 9834496, while the sum is 56.

The spelling of 87427072478 in words is "eighty-seven billion, four hundred twenty-seven million, seventy-two thousand, four hundred seventy-eight".