61162713797 has 4 divisors (see below), whose sum is σ = 61170778656. Its totient is φ = 61154648940.

The previous prime is 61162713769. The next prime is 61162713811. The reversal of 61162713797 is 79731726116.

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 cyclic number.

It is not a de Polignac number, because 61162713797 - 2¹⁰ = 61162712773 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 (61162713737) 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, 4021043 + ... + 4036224.

It is an arithmetic number, because the mean of its divisors is an integer number (15292694664).

Almost surely, 2^61162713797 is an apocalyptic number.

It is an amenable number.

61162713797 is a deficient number, since it is larger than the sum of its proper divisors (8064859).

61162713797 is an equidigital number, since it uses as much as digits as its factorization.

61162713797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8064858.

The product of its digits is 666792, while the sum is 50.

The spelling of 61162713797 in words is "sixty-one billion, one hundred sixty-two million, seven hundred thirteen thousand, seven hundred ninety-seven".