99475487 has 2 divisors, whose sum is σ = 99475488. Its totient is φ = 99475486.

The previous prime is 99475463. The next prime is 99475513. The reversal of 99475487 is 78457499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99475487 - 2¹² = 99471391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99475447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49737743 + 49737744.

It is an arithmetic number, because the mean of its divisors is an integer number (49737744).

Almost surely, 2^99475487 is an apocalyptic number.

99475487 is a deficient number, since it is larger than the sum of its proper divisors (1).

99475487 is an equidigital number, since it uses as much as digits as its factorization.

99475487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 99475487 is about 9973.7398702794. The cubic root of 99475487 is about 463.3459358004.

The spelling of 99475487 in words is "ninety-nine million, four hundred seventy-five thousand, four hundred eighty-seven".