97217862 has 64 divisors (see below), whose sum is σ = 229555200. Its totient is φ = 27433728.

The previous prime is 97217843. The next prime is 97217903. The reversal of 97217862 is 26871279.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199383 + ... + 199869.

It is an arithmetic number, because the mean of its divisors is an integer number (3586800).

Almost surely, 2^97217862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97217862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114777600).

97217862 is an abundant number, since it is smaller than the sum of its proper divisors (132337338).

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

97217862 is a wasteful number, since it uses less digits than its factorization.

97217862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 596 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 97217862 is about 9859.9118657319. The cubic root of 97217862 is about 459.8138219479.

The spelling of 97217862 in words is "ninety-seven million, two hundred seventeen thousand, eight hundred sixty-two".