97602428640 has 384 divisors, whose sum is σ = 327497748480. Its totient is φ = 24392908800.

The previous prime is 97602428629. The next prime is 97602428647. The reversal of 97602428640 is 4682420679.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 97602428640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97602428647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95782051 + ... + 95783069.

It is an arithmetic number, because the mean of its divisors is an integer number (852858720).

Almost surely, 2^97602428640 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 97602428640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163748874240).

97602428640 is an abundant number, since it is smaller than the sum of its proper divisors (229895319840).

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

97602428640 is a wasteful number, since it uses less digits than its factorization.

97602428640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 97602428640 in words is "ninety-seven billion, six hundred two million, four hundred twenty-eight thousand, six hundred forty".