507347797 has 12 divisors (see below), whose sum is σ = 566813548. Its totient is φ = 453657600.

The previous prime is 507347791. The next prime is 507347839. The reversal of 507347797 is 797743705.

It can be written as a sum of positive squares in 2 ways, for example, as 70997476 + 436350321 = 8426^2 + 20889^2 .

It is not a de Polignac number, because 507347797 - 2²³ = 498959189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 507347797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507347791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26988 + ... + 41749.

Almost surely, 2^507347797 is an apocalyptic number.

It is an amenable number.

507347797 is a deficient number, since it is larger than the sum of its proper divisors (59465751).

507347797 is a wasteful number, since it uses less digits than its factorization.

507347797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68820 (or 68809 counting only the distinct ones).

The product of its (nonzero) digits is 1296540, while the sum is 49.

The square root of 507347797 is about 22524.3822778783. The cubic root of 507347797 is about 797.5696015354.

The spelling of 507347797 in words is "five hundred seven million, three hundred forty-seven thousand, seven hundred ninety-seven".