99477487 has 2 divisors, whose sum is σ = 99477488. Its totient is φ = 99477486.

The previous prime is 99477479. The next prime is 99477493. The reversal of 99477487 is 78477499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99477487 - 2³ = 99477479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99477437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49738743 + 49738744.

It is an arithmetic number, because the mean of its divisors is an integer number (49738744).

Almost surely, 2^99477487 is an apocalyptic number.

99477487 is a deficient number, since it is larger than the sum of its proper divisors (1).

99477487 is an equidigital number, since it uses as much as digits as its factorization.

99477487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 55.

The square root of 99477487 is about 9973.8401330681. The cubic root of 99477487 is about 463.3490410400.

The spelling of 99477487 in words is "ninety-nine million, four hundred seventy-seven thousand, four hundred eighty-seven".