87831467 has 2 divisors, whose sum is σ = 87831468. Its totient is φ = 87831466.

The previous prime is 87831427. The next prime is 87831511. The reversal of 87831467 is 76413878.

It is an a-pointer prime, because the next prime (87831511) can be obtained adding 87831467 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87831467 - 2¹⁴ = 87815083 is a prime.

It is not a weakly prime, because it can be changed into another prime (87831427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43915733 + 43915734.

It is an arithmetic number, because the mean of its divisors is an integer number (43915734).

Almost surely, 2^87831467 is an apocalyptic number.

87831467 is a deficient number, since it is larger than the sum of its proper divisors (1).

87831467 is an equidigital number, since it uses as much as digits as its factorization.

87831467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 87831467 is about 9371.8443755752. The cubic root of 87831467 is about 444.5118866243.

The spelling of 87831467 in words is "eighty-seven million, eight hundred thirty-one thousand, four hundred sixty-seven".