90101392607 has 2 divisors, whose sum is σ = 90101392608. Its totient is φ = 90101392606.

The previous prime is 90101392571. The next prime is 90101392637. The reversal of 90101392607 is 70629310109.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90101392607 - 2²⁰ = 90100344031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90101392637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45050696303 + 45050696304.

It is an arithmetic number, because the mean of its divisors is an integer number (45050696304).

Almost surely, 2^90101392607 is an apocalyptic number.

90101392607 is a deficient number, since it is larger than the sum of its proper divisors (1).

90101392607 is an equidigital number, since it uses as much as digits as its factorization.

90101392607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 90101392607 in words is "ninety billion, one hundred one million, three hundred ninety-two thousand, six hundred seven".