88505797 has 2 divisors, whose sum is σ = 88505798. Its totient is φ = 88505796.

The previous prime is 88505773. The next prime is 88505881. The reversal of 88505797 is 79750588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 4435236 = 9169^2 + 2106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88505797 is a prime.

It is a super-2 number, since 2×88505797² = 15666552205210418, 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 88505797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88505497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44252898 + 44252899.

It is an arithmetic number, because the mean of its divisors is an integer number (44252899).

Almost surely, 2^88505797 is an apocalyptic number.

It is an amenable number.

88505797 is a deficient number, since it is larger than the sum of its proper divisors (1).

88505797 is an equidigital number, since it uses as much as digits as its factorization.

88505797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 88505797 is about 9407.7519631419. The cubic root of 88505797 is about 445.6465742909.

The spelling of 88505797 in words is "eighty-eight million, five hundred five thousand, seven hundred ninety-seven".