106781277597 has 4 divisors (see below), whose sum is σ = 142375036800. Its totient is φ = 71187518396.

The previous prime is 106781277593. The next prime is 106781277607. The reversal of 106781277597 is 795772187601.

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: 795772187601 = 3 ⋅265257395867.

It is a cyclic number.

It is not a de Polignac number, because 106781277597 - 2² = 106781277593 is a prime.

It is a super-2 number, since 2×106781277597² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106781277597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106781277593) 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, 17796879597 + ... + 17796879602.

It is an arithmetic number, because the mean of its divisors is an integer number (35593759200).

Almost surely, 2^106781277597 is an apocalyptic number.

It is an amenable number.

106781277597 is a deficient number, since it is larger than the sum of its proper divisors (35593759203).

106781277597 is an equidigital number, since it uses as much as digits as its factorization.

106781277597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35593759202.

The product of its (nonzero) digits is 10372320, while the sum is 60.

The spelling of 106781277597 in words is "one hundred six billion, seven hundred eighty-one million, two hundred seventy-seven thousand, five hundred ninety-seven".