97155429756 has 144 divisors (see below), whose sum is σ = 286371429120. Its totient is φ = 25093728000.

The previous prime is 97155429739. The next prime is 97155429769. The reversal of 97155429756 is 65792455179.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97155429756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1792656 + ... + 1846056.

It is an arithmetic number, because the mean of its divisors is an integer number (1988690480).

Almost surely, 2^97155429756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97155429756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143185714560).

97155429756 is an abundant number, since it is smaller than the sum of its proper divisors (189215999364).

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

97155429756 is a wasteful number, since it uses less digits than its factorization.

97155429756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53616 (or 53603 counting only the distinct ones).

The product of its digits is 23814000, while the sum is 60.

The spelling of 97155429756 in words is "ninety-seven billion, one hundred fifty-five million, four hundred twenty-nine thousand, seven hundred fifty-six".