97782222680 has 64 divisors (see below), whose sum is σ = 221699246400. Its totient is φ = 38813437440.

The previous prime is 97782222679. The next prime is 97782222683. The reversal of 97782222680 is 8622228779.

It is a super-2 number, since 2×97782222680² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97782222683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730661 + ... + 3756779.

It is an arithmetic number, because the mean of its divisors is an integer number (3464050725).

Almost surely, 2^97782222680 is an apocalyptic number.

It is an amenable number.

97782222680 is an abundant number, since it is smaller than the sum of its proper divisors (123917023720).

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

97782222680 is a wasteful number, since it uses less digits than its factorization.

97782222680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844 (or 26840 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 97782222680 in words is "ninety-seven billion, seven hundred eighty-two million, two hundred twenty-two thousand, six hundred eighty".