97316762077 has 4 divisors (see below), whose sum is σ = 97317386460. Its totient is φ = 97316137696.

The previous prime is 97316762069. The next prime is 97316762107. The reversal of 97316762077 is 77026761379.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 38214776196 + 59101985881 = 195486^2 + 243109^2 .

It is a cyclic number.

It is not a de Polignac number, because 97316762077 - 2³ = 97316762069 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 (97316732077) 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, 137943 + ... + 462235.

It is an arithmetic number, because the mean of its divisors is an integer number (24329346615).

Almost surely, 2^97316762077 is an apocalyptic number.

It is an amenable number.

97316762077 is a deficient number, since it is larger than the sum of its proper divisors (624383).

97316762077 is a wasteful number, since it uses less digits than its factorization.

97316762077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624382.

The product of its (nonzero) digits is 4667544, while the sum is 55.

The spelling of 97316762077 in words is "ninety-seven billion, three hundred sixteen million, seven hundred sixty-two thousand, seventy-seven".