97153723476 has 36 divisors (see below), whose sum is σ = 247836088500. Its totient is φ = 32087467008.

The previous prime is 97153723427. The next prime is 97153723477. The reversal of 97153723476 is 67432735179.

97153723476 is a `hidden beast` number, since 9 + 7 + 1 + 537 + 2 + 34 + 76 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58845056400 + 38308667076 = 242580^2 + 195726^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×97153723476³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97153723477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12375501 + ... + 12383348.

Almost surely, 2^97153723476 is an apocalyptic number.

It is an amenable number.

97153723476 is an abundant number, since it is smaller than the sum of its proper divisors (150682365024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97153723476 is a wasteful number, since it uses less digits than its factorization.

97153723476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24758968 (or 24758963 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 54.

The spelling of 97153723476 in words is "ninety-seven billion, one hundred fifty-three million, seven hundred twenty-three thousand, four hundred seventy-six".