88605919 has 2 divisors, whose sum is σ = 88605920. Its totient is φ = 88605918.

The previous prime is 88605871. The next prime is 88605973. The reversal of 88605919 is 91950688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88605919 - 2⁷ = 88605791 is a prime.

It is a super-2 number, since 2×88605919² = 15702017763669122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88603919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44302959 + 44302960.

It is an arithmetic number, because the mean of its divisors is an integer number (44302960).

Almost surely, 2^88605919 is an apocalyptic number.

88605919 is a deficient number, since it is larger than the sum of its proper divisors (1).

88605919 is an equidigital number, since it uses as much as digits as its factorization.

88605919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 88605919 is about 9413.0717090650. The cubic root of 88605919 is about 445.8145565524.

The spelling of 88605919 in words is "eighty-eight million, six hundred five thousand, nine hundred nineteen".