99775903603 has 2 divisors, whose sum is σ = 99775903604. Its totient is φ = 99775903602.

The previous prime is 99775903561. The next prime is 99775903609. The reversal of 99775903603 is 30630957799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99775903603 - 2¹³ = 99775895411 is a prime.

It is not a weakly prime, because it can be changed into another prime (99775903609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49887951801 + 49887951802.

It is an arithmetic number, because the mean of its divisors is an integer number (49887951802).

Almost surely, 2^99775903603 is an apocalyptic number.

99775903603 is a deficient number, since it is larger than the sum of its proper divisors (1).

99775903603 is an equidigital number, since it uses as much as digits as its factorization.

99775903603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9644670, while the sum is 58.

The spelling of 99775903603 in words is "ninety-nine billion, seven hundred seventy-five million, nine hundred three thousand, six hundred three".