97498485864 has 256 divisors, whose sum is σ = 314160000000. Its totient is φ = 27759013632.

The previous prime is 97498485859. The next prime is 97498485893. The reversal of 97498485864 is 46858489479.

97498485864 is a `hidden beast` number, since 97 + 498 + 48 + 5 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 97498485792 and 97498485801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2272887 + ... + 2315385.

It is an arithmetic number, because the mean of its divisors is an integer number (1227187500).

Almost surely, 2^97498485864 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 97498485864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157080000000).

97498485864 is an abundant number, since it is smaller than the sum of its proper divisors (216661514136).

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

97498485864 is a wasteful number, since it uses less digits than its factorization.

97498485864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42589 (or 42579 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 72.

The spelling of 97498485864 in words is "ninety-seven billion, four hundred ninety-eight million, four hundred eighty-five thousand, eight hundred sixty-four".