87874137242 has 8 divisors (see below), whose sum is σ = 131834474100. Its totient is φ = 43929312544.

The previous prime is 87874137223. The next prime is 87874137257. The reversal of 87874137242 is 24273147878.

It can be written as a sum of positive squares in 2 ways, for example, as 71635987201 + 16238150041 = 267649^2 + 127429^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863867 + ... + 3886542.

Almost surely, 2^87874137242 is an apocalyptic number.

87874137242 is a deficient number, since it is larger than the sum of its proper divisors (43960336858).

87874137242 is a wasteful number, since it uses less digits than its factorization.

87874137242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7756080.

The product of its digits is 4214784, while the sum is 53.

The spelling of 87874137242 in words is "eighty-seven billion, eight hundred seventy-four million, one hundred thirty-seven thousand, two hundred forty-two".