89877701 has 2 divisors, whose sum is σ = 89877702. Its totient is φ = 89877700.

The previous prime is 89877661. The next prime is 89877703. The reversal of 89877701 is 10777898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 13315201 = 8750^2 + 3649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89877701 is a prime.

It is a super-2 number, since 2×89877701² = 16156002274090802, which contains 22 as substring.

Together with 89877703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89877703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44938850 + 44938851.

It is an arithmetic number, because the mean of its divisors is an integer number (44938851).

Almost surely, 2^89877701 is an apocalyptic number.

It is an amenable number.

89877701 is a deficient number, since it is larger than the sum of its proper divisors (1).

89877701 is an equidigital number, since it uses as much as digits as its factorization.

89877701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 89877701 is about 9480.3850660192. The cubic root of 89877701 is about 447.9373932629.

The spelling of 89877701 in words is "eighty-nine million, eight hundred seventy-seven thousand, seven hundred one".