87959423 has 2 divisors, whose sum is σ = 87959424. Its totient is φ = 87959422.

The previous prime is 87959371. The next prime is 87959437. The reversal of 87959423 is 32495978.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87959423 - 2²⁰ = 86910847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87959453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43979711 + 43979712.

It is an arithmetic number, because the mean of its divisors is an integer number (43979712).

Almost surely, 2^87959423 is an apocalyptic number.

87959423 is a deficient number, since it is larger than the sum of its proper divisors (1).

87959423 is an equidigital number, since it uses as much as digits as its factorization.

87959423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 87959423 is about 9378.6685089089. The cubic root of 87959423 is about 444.7276421184.

The spelling of 87959423 in words is "eighty-seven million, nine hundred fifty-nine thousand, four hundred twenty-three".