87534443578 has 16 divisors (see below), whose sum is σ = 131881213440. Its totient is φ = 43574123376.

The previous prime is 87534443573. The next prime is 87534443621.

87534443578 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (87534443573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350975 + ... + 2387917.

It is an arithmetic number, because the mean of its divisors is an integer number (8242575840).

Almost surely, 2^87534443578 is an apocalyptic number.

87534443578 is a deficient number, since it is larger than the sum of its proper divisors (44346769862).

87534443578 is a wasteful number, since it uses less digits than its factorization.

87534443578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141.

The product of its digits is 45158400, while the sum is 58.

The spelling of 87534443578 in words is "eighty-seven billion, five hundred thirty-four million, four hundred forty-three thousand, five hundred seventy-eight".