89201668937 has 2 divisors, whose sum is σ = 89201668938. Its totient is φ = 89201668936.

The previous prime is 89201668891. The next prime is 89201668981. The reversal of 89201668937 is 73986610298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86006706361 + 3194962576 = 293269^2 + 56524^2 .

It is a cyclic number.

It is not a de Polignac number, because 89201668937 - 2⁸ = 89201668681 is a prime.

It is a super-2 number, since 2×89201668937² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89201661937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44600834468 + 44600834469.

It is an arithmetic number, because the mean of its divisors is an integer number (44600834469).

Almost surely, 2^89201668937 is an apocalyptic number.

It is an amenable number.

89201668937 is a deficient number, since it is larger than the sum of its proper divisors (1).

89201668937 is an equidigital number, since it uses as much as digits as its factorization.

89201668937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 89201668937 in words is "eighty-nine billion, two hundred one million, six hundred sixty-eight thousand, nine hundred thirty-seven".