87371387 has 2 divisors, whose sum is σ = 87371388. Its totient is φ = 87371386.

The previous prime is 87371357. The next prime is 87371429. The reversal of 87371387 is 78317378.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87371387 - 2¹⁴ = 87355003 is a prime.

It is not a weakly prime, because it can be changed into another prime (87371327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43685693 + 43685694.

It is an arithmetic number, because the mean of its divisors is an integer number (43685694).

Almost surely, 2^87371387 is an apocalyptic number.

87371387 is a deficient number, since it is larger than the sum of its proper divisors (1).

87371387 is an equidigital number, since it uses as much as digits as its factorization.

87371387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 87371387 is about 9347.2662848557. The cubic root of 87371387 is about 443.7343780257.

The spelling of 87371387 in words is "eighty-seven million, three hundred seventy-one thousand, three hundred eighty-seven".