87246823 has 2 divisors, whose sum is σ = 87246824. Its totient is φ = 87246822.

The previous prime is 87246799. The next prime is 87246827. The reversal of 87246823 is 32864278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87246823 - 2¹⁷ = 87115751 is a prime.

It is a super-2 number, since 2×87246823² = 15224016247186658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87246827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43623411 + 43623412.

It is an arithmetic number, because the mean of its divisors is an integer number (43623412).

Almost surely, 2^87246823 is an apocalyptic number.

87246823 is a deficient number, since it is larger than the sum of its proper divisors (1).

87246823 is an equidigital number, since it uses as much as digits as its factorization.

87246823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 40.

The square root of 87246823 is about 9340.6007836755. The cubic root of 87246823 is about 443.5234027121.

The spelling of 87246823 in words is "eighty-seven million, two hundred forty-six thousand, eight hundred twenty-three".