87268403 has 2 divisors, whose sum is σ = 87268404. Its totient is φ = 87268402.

The previous prime is 87268381. The next prime is 87268409. The reversal of 87268403 is 30486278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87268403 - 2⁶ = 87268339 is a prime.

It is equal to p_5067893 and since 87268403 and 5067893 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (87268409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43634201 + 43634202.

It is an arithmetic number, because the mean of its divisors is an integer number (43634202).

Almost surely, 2^87268403 is an apocalyptic number.

87268403 is a deficient number, since it is larger than the sum of its proper divisors (1).

87268403 is an equidigital number, since it uses as much as digits as its factorization.

87268403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 87268403 is about 9341.7558842008. The cubic root of 87268403 is about 443.5599673520.

The spelling of 87268403 in words is "eighty-seven million, two hundred sixty-eight thousand, four hundred three".