791715765 has 16 divisors (see below), whose sum is σ = 1268163648. Its totient is φ = 421775616.

The previous prime is 791715761. The next prime is 791715803. The reversal of 791715765 is 567517197.

It is not a de Polignac number, because 791715765 - 2² = 791715761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791715761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15492 + ... + 42701.

It is an arithmetic number, because the mean of its divisors is an integer number (79260228).

Almost surely, 2^791715765 is an apocalyptic number.

It is an amenable number.

791715765 is a deficient number, since it is larger than the sum of its proper divisors (476447883).

791715765 is a wasteful number, since it uses less digits than its factorization.

791715765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59108.

The product of its digits is 463050, while the sum is 48.

The square root of 791715765 is about 28137.4441803089. Note that the first 3 decimals coincide. The cubic root of 791715765 is about 925.1023076517.

The spelling of 791715765 in words is "seven hundred ninety-one million, seven hundred fifteen thousand, seven hundred sixty-five".