87367451 has 4 divisors (see below), whose sum is σ = 87440112. Its totient is φ = 87294792.

The previous prime is 87367447. The next prime is 87367463. The reversal of 87367451 is 15476378.

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 87367451 - 2² = 87367447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87367399 and 87367408.

It is not an unprimeable number, because it can be changed into a prime (87367051) 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, 34496 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (21860028).

Almost surely, 2^87367451 is an apocalyptic number.

87367451 is a deficient number, since it is larger than the sum of its proper divisors (72661).

87367451 is a wasteful number, since it uses less digits than its factorization.

87367451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72660.

The product of its digits is 141120, while the sum is 41.

The square root of 87367451 is about 9347.0557396434. The cubic root of 87367451 is about 443.7277146515.

The spelling of 87367451 in words is "eighty-seven million, three hundred sixty-seven thousand, four hundred fifty-one".