87034999 has 2 divisors, whose sum is σ = 87035000. Its totient is φ = 87034998.

The previous prime is 87034979. The next prime is 87035009. The reversal of 87034999 is 99943078.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87034999 - 2⁹ = 87034487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87034919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43517499 + 43517500.

It is an arithmetic number, because the mean of its divisors is an integer number (43517500).

Almost surely, 2^87034999 is an apocalyptic number.

87034999 is a deficient number, since it is larger than the sum of its proper divisors (1).

87034999 is an equidigital number, since it uses as much as digits as its factorization.

87034999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 87034999 is about 9329.2550077699. The cubic root of 87034999 is about 443.1641726845.

The spelling of 87034999 in words is "eighty-seven million, thirty-four thousand, nine hundred ninety-nine".