90007937 has 2 divisors, whose sum is σ = 90007938. Its totient is φ = 90007936.

The previous prime is 90007919. The next prime is 90008021. The reversal of 90007937 is 73970009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88529281 + 1478656 = 9409^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 90007937 - 2¹⁶ = 89942401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90007897 and 90007906.

It is not a weakly prime, because it can be changed into another prime (90007637) 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, 45003968 + 45003969.

It is an arithmetic number, because the mean of its divisors is an integer number (45003969).

Almost surely, 2^90007937 is an apocalyptic number.

It is an amenable number.

90007937 is a deficient number, since it is larger than the sum of its proper divisors (1).

90007937 is an equidigital number, since it uses as much as digits as its factorization.

90007937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 90007937 is about 9487.2512879126. The cubic root of 90007937 is about 448.1536479387.

The spelling of 90007937 in words is "ninety million, seven thousand, nine hundred thirty-seven".