97943762972 has 24 divisors (see below), whose sum is σ = 189350434560. Its totient is φ = 43956347760.

The previous prime is 97943762963. The next prime is 97943763007. The reversal of 97943762972 is 27926734979.

It is a junction number, because it is equal to n+sod(n) for n = 97943762899 and 97943762908.

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, 14085098 + ... + 14092049.

It is an arithmetic number, because the mean of its divisors is an integer number (7889601440).

Almost surely, 2^97943762972 is an apocalyptic number.

It is an amenable number.

97943762972 is a deficient number, since it is larger than the sum of its proper divisors (91406671588).

97943762972 is a wasteful number, since it uses less digits than its factorization.

97943762972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28177241 (or 28177239 counting only the distinct ones).

The product of its digits is 72013536, while the sum is 65.

The spelling of 97943762972 in words is "ninety-seven billion, nine hundred forty-three million, seven hundred sixty-two thousand, nine hundred seventy-two".