87674617801 has 3 divisors (see below), whose sum is σ = 87674913901. Its totient is φ = 87674321702.

The previous prime is 87674617781. The next prime is 87674617813. The reversal of 87674617801 is 10871647678.

It is a happy number.

The square root of 87674617801 is 296099.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 87674617801 - 2³¹ = 85527134153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87674614801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 148050 + ... + 444148.

Almost surely, 2^87674617801 is an apocalyptic number.

87674617801 is the 296099-th square number.

87674617801 is the 148050-th centered octagonal number.

It is an amenable number.

87674617801 is a deficient number, since it is larger than the sum of its proper divisors (296100).

87674617801 is an frugal number, since it uses more digits than its factorization.

87674617801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592198 (or 296099 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 87674617801 in words is "eighty-seven billion, six hundred seventy-four million, six hundred seventeen thousand, eight hundred one".