97574212066381 has 64 divisors (see below), whose sum is σ = 109163285280000. Its totient is φ = 86834921951232.

The previous prime is 97574212066369. The next prime is 97574212066537. The reversal of 97574212066381 is 18366021247579.

It is a cyclic number.

It is not a de Polignac number, because 97574212066381 - 2²⁵ = 97574178511949 is a prime.

It is a super-2 number, since 2×97574212066381² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97574216066381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3559919605 + ... + 3559947013.

It is an arithmetic number, because the mean of its divisors is an integer number (1705676332500).

It is a 1-persistent number, because it is pandigital, but 2⋅97574212066381 = 195148424132762 is not.

Almost surely, 2^{97574212066381} is an apocalyptic number.

It is an amenable number.

97574212066381 is a deficient number, since it is larger than the sum of its proper divisors (11589073213619).

97574212066381 is a wasteful number, since it uses less digits than its factorization.

97574212066381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28526.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 97574212066381 in words is "ninety-seven trillion, five hundred seventy-four billion, two hundred twelve million, sixty-six thousand, three hundred eighty-one".