490311077 has 4 divisors (see below), whose sum is σ = 491003340. Its totient is φ = 489618816.

The previous prime is 490311023. The next prime is 490311083. The reversal of 490311077 is 770113094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85858756 + 404452321 = 9266^2 + 20111^2 .

It is a cyclic number.

It is not a de Polignac number, because 490311077 - 2²² = 486116773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490311007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345068 + ... + 346485.

It is an arithmetic number, because the mean of its divisors is an integer number (122750835).

Almost surely, 2^490311077 is an apocalyptic number.

It is an amenable number.

490311077 is a deficient number, since it is larger than the sum of its proper divisors (692263).

490311077 is an equidigital number, since it uses as much as digits as its factorization.

490311077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692262.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 490311077 is about 22142.9690195330. The cubic root of 490311077 is about 788.5403142620.

The spelling of 490311077 in words is "four hundred ninety million, three hundred eleven thousand, seventy-seven".