97782460 has 24 divisors (see below), whose sum is σ = 205717680. Its totient is φ = 39041664.

The previous prime is 97782439. The next prime is 97782467. The reversal of 97782460 is 6428779.

It is a super-2 number, since 2×97782460² = 19122818967303200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97782467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (8571570).

Almost surely, 2^97782460 is an apocalyptic number.

It is an amenable number.

97782460 is an abundant number, since it is smaller than the sum of its proper divisors (107935220).

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

97782460 is a wasteful number, since it uses less digits than its factorization.

97782460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925 (or 8923 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 97782460 is about 9888.5014031450. The cubic root of 97782460 is about 460.7022355509.

The spelling of 97782460 in words is "ninety-seven million, seven hundred eighty-two thousand, four hundred sixty".