88407391 has 2 divisors, whose sum is σ = 88407392. Its totient is φ = 88407390.

The previous prime is 88407383. The next prime is 88407401. The reversal of 88407391 is 19370488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88407391 - 2³ = 88407383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88407091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44203695 + 44203696.

It is an arithmetic number, because the mean of its divisors is an integer number (44203696).

Almost surely, 2^88407391 is an apocalyptic number.

88407391 is a deficient number, since it is larger than the sum of its proper divisors (1).

88407391 is an equidigital number, since it uses as much as digits as its factorization.

88407391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 88407391 is about 9402.5204599618. The cubic root of 88407391 is about 445.4813475992.

The spelling of 88407391 in words is "eighty-eight million, four hundred seven thousand, three hundred ninety-one".