88665403 has 2 divisors, whose sum is σ = 88665404. Its totient is φ = 88665402.

The previous prime is 88665397. The next prime is 88665427. The reversal of 88665403 is 30456688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88665403 - 2²⁵ = 55110971 is a prime.

It is not a weakly prime, because it can be changed into another prime (88665433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44332701 + 44332702.

It is an arithmetic number, because the mean of its divisors is an integer number (44332702).

Almost surely, 2^88665403 is an apocalyptic number.

88665403 is a deficient number, since it is larger than the sum of its proper divisors (1).

88665403 is an equidigital number, since it uses as much as digits as its factorization.

88665403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 88665403 is about 9416.2308276720. The cubic root of 88665403 is about 445.9142974474.

The spelling of 88665403 in words is "eighty-eight million, six hundred sixty-five thousand, four hundred three".