97789464 has 64 divisors (see below), whose sum is σ = 272556000. Its totient is φ = 32486400.

The previous prime is 97789463. The next prime is 97789477. The reversal of 97789464 is 46498779.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 97789464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97789463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86052 + ... + 87180.

Almost surely, 2^97789464 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 97789464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136278000).

97789464 is an abundant number, since it is smaller than the sum of its proper divisors (174766536).

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

97789464 is a wasteful number, since it uses less digits than its factorization.

97789464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1535 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 97789464 is about 9888.8555455118. The cubic root of 97789464 is about 460.7132350745.

The spelling of 97789464 in words is "ninety-seven million, seven hundred eighty-nine thousand, four hundred sixty-four".