90337679 has 2 divisors, whose sum is σ = 90337680. Its totient is φ = 90337678.

The previous prime is 90337651. The next prime is 90337693. The reversal of 90337679 is 97673309.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90337679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90333679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45168839 + 45168840.

It is an arithmetic number, because the mean of its divisors is an integer number (45168840).

Almost surely, 2^90337679 is an apocalyptic number.

90337679 is a deficient number, since it is larger than the sum of its proper divisors (1).

90337679 is an equidigital number, since it uses as much as digits as its factorization.

90337679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 90337679 is about 9504.6135639488. The cubic root of 90337679 is about 448.7002478446.

The spelling of 90337679 in words is "ninety million, three hundred thirty-seven thousand, six hundred seventy-nine".