87451367 has 2 divisors, whose sum is σ = 87451368. Its totient is φ = 87451366.

The previous prime is 87451363. The next prime is 87451381. The reversal of 87451367 is 76315478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87451367 - 2² = 87451363 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87451361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43725683 + 43725684.

It is an arithmetic number, because the mean of its divisors is an integer number (43725684).

Almost surely, 2^87451367 is an apocalyptic number.

87451367 is a deficient number, since it is larger than the sum of its proper divisors (1).

87451367 is an equidigital number, since it uses as much as digits as its factorization.

87451367 is an evil number, because the sum of its binary digits is even.

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

The square root of 87451367 is about 9351.5435624286. The cubic root of 87451367 is about 443.8697352752.

The spelling of 87451367 in words is "eighty-seven million, four hundred fifty-one thousand, three hundred sixty-seven".