499477807 has 2 divisors, whose sum is σ = 499477808. Its totient is φ = 499477806.

The previous prime is 499477793. The next prime is 499477843. The reversal of 499477807 is 708774994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499477807 - 2²³ = 491089199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499477897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249738903 + 249738904.

It is an arithmetic number, because the mean of its divisors is an integer number (249738904).

Almost surely, 2^499477807 is an apocalyptic number.

499477807 is a deficient number, since it is larger than the sum of its proper divisors (1).

499477807 is an equidigital number, since it uses as much as digits as its factorization.

499477807 is an evil number, because the sum of its binary digits is even.

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

The square root of 499477807 is about 22349.0001342342. Note that the first 3 decimals coincide. The cubic root of 499477807 is about 793.4241198310.

The spelling of 499477807 in words is "four hundred ninety-nine million, four hundred seventy-seven thousand, eight hundred seven".