87619463 has 2 divisors, whose sum is σ = 87619464. Its totient is φ = 87619462.

The previous prime is 87619447. The next prime is 87619517. The reversal of 87619463 is 36491678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87619463 - 2⁴ = 87619447 is a prime.

It is a Sophie Germain 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 (87619403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43809731 + 43809732.

It is an arithmetic number, because the mean of its divisors is an integer number (43809732).

Almost surely, 2^87619463 is an apocalyptic number.

87619463 is a deficient number, since it is larger than the sum of its proper divisors (1).

87619463 is an equidigital number, since it uses as much as digits as its factorization.

87619463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 87619463 is about 9360.5268548303. The cubic root of 87619463 is about 444.1539502797.

The spelling of 87619463 in words is "eighty-seven million, six hundred nineteen thousand, four hundred sixty-three".