88021403 has 2 divisors, whose sum is σ = 88021404. Its totient is φ = 88021402.

The previous prime is 88021343. The next prime is 88021411. The reversal of 88021403 is 30412088.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88021403 - 2⁸ = 88021147 is a prime.

It is a super-3 number, since 3×88021403³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (88026403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44010701 + 44010702.

It is an arithmetic number, because the mean of its divisors is an integer number (44010702).

Almost surely, 2^88021403 is an apocalyptic number.

88021403 is a deficient number, since it is larger than the sum of its proper divisors (1).

88021403 is an equidigital number, since it uses as much as digits as its factorization.

88021403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 88021403 is about 9381.9722340241. The cubic root of 88021403 is about 444.8320756801.

The spelling of 88021403 in words is "eighty-eight million, twenty-one thousand, four hundred three".