88238947 has 2 divisors, whose sum is σ = 88238948. Its totient is φ = 88238946.

The previous prime is 88238939. The next prime is 88238951. The reversal of 88238947 is 74983288.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88238947 - 2³ = 88238939 is a prime.

It is a super-2 number, since 2×88238947² = 15572223535337618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88238947.

It is not a weakly prime, because it can be changed into another prime (88238957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44119473 + 44119474.

It is an arithmetic number, because the mean of its divisors is an integer number (44119474).

Almost surely, 2^88238947 is an apocalyptic number.

88238947 is a deficient number, since it is larger than the sum of its proper divisors (1).

88238947 is an equidigital number, since it uses as much as digits as its factorization.

88238947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 49.

The square root of 88238947 is about 9393.5588037761. The cubic root of 88238947 is about 445.1982401680.

The spelling of 88238947 in words is "eighty-eight million, two hundred thirty-eight thousand, nine hundred forty-seven".