90049777703 has 2 divisors, whose sum is σ = 90049777704. Its totient is φ = 90049777702.

The previous prime is 90049777661. The next prime is 90049777777. The reversal of 90049777703 is 30777794009.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90049777703 - 2¹² = 90049773607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90049777003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45024888851 + 45024888852.

It is an arithmetic number, because the mean of its divisors is an integer number (45024888852).

Almost surely, 2^90049777703 is an apocalyptic number.

90049777703 is a deficient number, since it is larger than the sum of its proper divisors (1).

90049777703 is an equidigital number, since it uses as much as digits as its factorization.

90049777703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2333772, while the sum is 53.

The spelling of 90049777703 in words is "ninety billion, forty-nine million, seven hundred seventy-seven thousand, seven hundred three".