87144652274 has 16 divisors (see below), whose sum is σ = 137605366080. Its totient is φ = 41276481840.

The previous prime is 87144652271. The next prime is 87144652291. The reversal of 87144652274 is 47225644178.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87144652271) 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, 641144 + ... + 765084.

It is an arithmetic number, because the mean of its divisors is an integer number (8600335380).

Almost surely, 2^87144652274 is an apocalyptic number.

87144652274 is a deficient number, since it is larger than the sum of its proper divisors (50460713806).

87144652274 is a wasteful number, since it uses less digits than its factorization.

87144652274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142465.

The product of its digits is 3010560, while the sum is 50.

The spelling of 87144652274 in words is "eighty-seven billion, one hundred forty-four million, six hundred fifty-two thousand, two hundred seventy-four".