97454271772 has 24 divisors (see below), whose sum is σ = 200360531952. Its totient is φ = 40889904000.

The previous prime is 97454271763. The next prime is 97454271787. The reversal of 97454271772 is 27717245479.

It is a super-2 number, since 2×97454271772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85186729 + ... + 85187872.

It is an arithmetic number, because the mean of its divisors is an integer number (8348355498).

Almost surely, 2^97454271772 is an apocalyptic number.

It is an amenable number.

97454271772 is an abundant number, since it is smaller than the sum of its proper divisors (102906260180).

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

97454271772 is a wasteful number, since it uses less digits than its factorization.

97454271772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170374629 (or 170374627 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 55.

The spelling of 97454271772 in words is "ninety-seven billion, four hundred fifty-four million, two hundred seventy-one thousand, seven hundred seventy-two".