97758612 has 72 divisors (see below), whose sum is σ = 285084800. Its totient is φ = 27667008.

The previous prime is 97758611. The next prime is 97758613. The reversal of 97758612 is 21685779.

It is an interprime number because it is at equal distance from previous prime (97758611) and next prime (97758613).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97758611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25689 + ... + 29247.

Almost surely, 2^97758612 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 97758612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142542400).

97758612 is an abundant number, since it is smaller than the sum of its proper divisors (187326188).

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

97758612 is a wasteful number, since it uses less digits than its factorization.

97758612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3680 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 97758612 is about 9887.2954846105. The cubic root of 97758612 is about 460.6647792074.

The spelling of 97758612 in words is "ninety-seven million, seven hundred fifty-eight thousand, six hundred twelve".