97804038742 has 16 divisors (see below), whose sum is σ = 147798821520. Its totient is φ = 48537942912.

The previous prime is 97804038727. The next prime is 97804038743. The reversal of 97804038742 is 24783040879.

It is a self number, because there is not a number n which added to its sum of digits gives 97804038742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97804038743) 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, 1112178 + ... + 1196890.

It is an arithmetic number, because the mean of its divisors is an integer number (9237426345).

Almost surely, 2^97804038742 is an apocalyptic number.

97804038742 is a deficient number, since it is larger than the sum of its proper divisors (49994782778).

97804038742 is a wasteful number, since it uses less digits than its factorization.

97804038742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89007.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 97804038742 in words is "ninety-seven billion, eight hundred four million, thirty-eight thousand, seven hundred forty-two".