87465923 has 2 divisors, whose sum is σ = 87465924. Its totient is φ = 87465922.

The previous prime is 87465883. The next prime is 87465929. The reversal of 87465923 is 32956478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87465923 - 2⁸ = 87465667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87465929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43732961 + 43732962.

It is an arithmetic number, because the mean of its divisors is an integer number (43732962).

Almost surely, 2^87465923 is an apocalyptic number.

87465923 is a deficient number, since it is larger than the sum of its proper divisors (1).

87465923 is an equidigital number, since it uses as much as digits as its factorization.

87465923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 87465923 is about 9352.3217972865. The cubic root of 87465923 is about 443.8943608077.

It can be divided in two parts, 87465 and 923, that added together give a palindrome (88388).

The spelling of 87465923 in words is "eighty-seven million, four hundred sixty-five thousand, nine hundred twenty-three".