766315417 has 4 divisors (see below), whose sum is σ = 875789056. Its totient is φ = 656841780.

The previous prime is 766315387. The next prime is 766315457. The reversal of 766315417 is 714513667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-766315417 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 766315417.

It is not an unprimeable number, because it can be changed into a prime (766315457) 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, 54736809 + ... + 54736822.

It is an arithmetic number, because the mean of its divisors is an integer number (218947264).

Almost surely, 2^766315417 is an apocalyptic number.

It is an amenable number.

766315417 is a deficient number, since it is larger than the sum of its proper divisors (109473639).

766315417 is a wasteful number, since it uses less digits than its factorization.

766315417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109473638.

The product of its digits is 105840, while the sum is 40.

The square root of 766315417 is about 27682.4026594514. The cubic root of 766315417 is about 915.1013323032.

The spelling of 766315417 in words is "seven hundred sixty-six million, three hundred fifteen thousand, four hundred seventeen".