97219660531 has 8 divisors (see below), whose sum is σ = 111128775680. Its totient is φ = 83315693448.

The previous prime is 97219660493. The next prime is 97219660567. The reversal of 97219660531 is 13506691279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97219660531 - 2¹¹ = 97219658483 is a prime.

It is a super-2 number, since 2×97219660531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97219660631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246461 + ... + 1322158.

It is an arithmetic number, because the mean of its divisors is an integer number (13891096960).

Almost surely, 2^97219660531 is an apocalyptic number.

97219660531 is a deficient number, since it is larger than the sum of its proper divisors (13909115149).

97219660531 is a wasteful number, since it uses less digits than its factorization.

97219660531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574033.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 97219660531 in words is "ninety-seven billion, two hundred nineteen million, six hundred sixty thousand, five hundred thirty-one".