97481539476 has 60 divisors (see below), whose sum is σ = 260258083008. Its totient is φ = 31802483088.

The previous prime is 97481539471. The next prime is 97481539487. The reversal of 97481539476 is 67493518479.

97481539476 is a `hidden beast` number, since 9 + 7 + 4 + 8 + 153 + 9 + 476 = 666.

It is a super-2 number, since 2×97481539476² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97481539471) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3185506 + ... + 3215961.

Almost surely, 2^97481539476 is an apocalyptic number.

It is an amenable number.

97481539476 is an abundant number, since it is smaller than the sum of its proper divisors (162776543532).

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

97481539476 is a wasteful number, since it uses less digits than its factorization.

97481539476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401530 (or 6401519 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 97481539476 in words is "ninety-seven billion, four hundred eighty-one million, five hundred thirty-nine thousand, four hundred seventy-six".