97799570705 has 4 divisors (see below), whose sum is σ = 117359484852. Its totient is φ = 78239656560.

The previous prime is 97799570699. The next prime is 97799570767. The reversal of 97799570705 is 50707599779.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24895790656 + 72903780049 = 157784^2 + 270007^2 .

It is not a de Polignac number, because 97799570705 - 2⁴ = 97799570689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9779957066 + ... + 9779957075.

It is an arithmetic number, because the mean of its divisors is an integer number (29339871213).

Almost surely, 2^97799570705 is an apocalyptic number.

It is an amenable number.

97799570705 is a deficient number, since it is larger than the sum of its proper divisors (19559914147).

97799570705 is a wasteful number, since it uses less digits than its factorization.

97799570705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19559914146.

The product of its (nonzero) digits is 43758225, while the sum is 65.

The spelling of 97799570705 in words is "ninety-seven billion, seven hundred ninety-nine million, five hundred seventy thousand, seven hundred five".