87374851 has 4 divisors (see below), whose sum is σ = 87393600. Its totient is φ = 87356104.

The previous prime is 87374843. The next prime is 87374873. The reversal of 87374851 is 15847378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87374851 - 2³ = 87374843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87374798 and 87374807.

It is not an unprimeable number, because it can be changed into a prime (87374821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (21848400).

Almost surely, 2^87374851 is an apocalyptic number.

87374851 is a deficient number, since it is larger than the sum of its proper divisors (18749).

87374851 is a wasteful number, since it uses less digits than its factorization.

87374851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18748.

The product of its digits is 188160, while the sum is 43.

The square root of 87374851 is about 9347.4515778366. The cubic root of 87374851 is about 443.7402421712.

The spelling of 87374851 in words is "eighty-seven million, three hundred seventy-four thousand, eight hundred fifty-one".