97487153280 has 384 divisors, whose sum is σ = 379092579840. Its totient is φ = 22870425600.

The previous prime is 97487153279. The next prime is 97487153329. The reversal of 97487153280 is 8235178479.

It is a happy number.

97487153280 is a `hidden beast` number, since 9 + 7 + 487 + 153 + 2 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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, 1939344 + ... + 1988976.

It is an arithmetic number, because the mean of its divisors is an integer number (987220260).

Almost surely, 2^97487153280 is an apocalyptic number.

97487153280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97487153280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189546289920).

97487153280 is an abundant number, since it is smaller than the sum of its proper divisors (281605426560).

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

97487153280 is a wasteful number, since it uses less digits than its factorization.

97487153280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49700 (or 49685 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 97487153280 in words is "ninety-seven billion, four hundred eighty-seven million, one hundred fifty-three thousand, two hundred eighty".