99703477 has 2 divisors, whose sum is σ = 99703478.
Its totient is φ = 99703476.
The previous prime is 99703427. The next prime is 99703517. The reversal of 99703477 is 77430799.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 91374481 + 8328996 = 9559^2 + 2886^2
It is an emirp because it is prime and its reverse (77430799) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 99703477 - 223 = 91314869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (99703427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49851738 + 49851739.
It is an arithmetic number, because the mean of its divisors is an integer number (49851739).
Almost surely, 299703477 is an apocalyptic number.
It is an amenable number.
99703477 is a deficient number, since it is larger than the sum of its proper divisors (1).
99703477 is an equidigital number, since it uses as much as digits as its factorization.
99703477 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 333396, while the sum is 46.
The square root of 99703477 is about 9985.1628429385.
The cubic root of 99703477 is about 463.6996498689.
The spelling of 99703477 in words is "ninety-nine million, seven hundred three thousand, four hundred seventy-seven".