97211764132801 has 4 divisors (see below), whose sum is σ = 97365823981504. Its totient is φ = 97057704284100.

The previous prime is 97211764132783. The next prime is 97211764132841. The reversal of 97211764132801 is 10823146711279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97211764132801 is a prime.

It is a super-2 number, since 2×97211764132801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97211764132841) 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, 77029923405 + ... + 77029924666.

It is an arithmetic number, because the mean of its divisors is an integer number (24341455995376).

Almost surely, 2^{97211764132801} is an apocalyptic number.

It is an amenable number.

97211764132801 is a deficient number, since it is larger than the sum of its proper divisors (154059848703).

97211764132801 is a wasteful number, since it uses less digits than its factorization.

97211764132801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154059848702.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 97211764132801 in words is "ninety-seven trillion, two hundred eleven billion, seven hundred sixty-four million, one hundred thirty-two thousand, eight hundred one".