97719552 has 216 divisors, whose sum is σ = 330343104. Its totient is φ = 27205632.

The previous prime is 97719551. The next prime is 97719563. The reversal of 97719552 is 25591779.

97719552 is a `hidden beast` number, since 97 + 7 + 1 + 9 + 552 = 666.

It is a super-2 number, since 2×97719552² = 19098221686161408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97719498 and 97719507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97719551) 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, 1177303 + ... + 1177385.

Almost surely, 2^97719552 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 97719552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165171552).

97719552 is an abundant number, since it is smaller than the sum of its proper divisors (232623552).

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

97719552 is a wasteful number, since it uses less digits than its factorization.

97719552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 168 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 97719552 is about 9885.3200251686. The cubic root of 97719552 is about 460.6034173048.

The spelling of 97719552 in words is "ninety-seven million, seven hundred nineteen thousand, five hundred fifty-two".