79347761 has 4 divisors (see below), whose sum is σ = 79680000. Its totient is φ = 79015524.

The previous prime is 79347713. The next prime is 79347767. The reversal of 79347761 is 16774397.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16774397 = 19 ⋅882863.

It is a cyclic number.

It is not a de Polignac number, because 79347761 - 2¹⁴ = 79331377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79347767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165761 + ... + 166238.

It is an arithmetic number, because the mean of its divisors is an integer number (19920000).

Almost surely, 2^79347761 is an apocalyptic number.

It is an amenable number.

79347761 is a deficient number, since it is larger than the sum of its proper divisors (332239).

79347761 is a wasteful number, since it uses less digits than its factorization.

79347761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332238.

The product of its digits is 222264, while the sum is 44.

The square root of 79347761 is about 8907.7360198874. The cubic root of 79347761 is about 429.7127358428.

It can be divided in two parts, 79347 and 761, that added together give a palindrome (80108).

The spelling of 79347761 in words is "seventy-nine million, three hundred forty-seven thousand, seven hundred sixty-one".