61897067324 has 36 divisors (see below), whose sum is σ = 110389201944. Its totient is φ = 30368142048.

The previous prime is 61897067257. The next prime is 61897067333. The reversal of 61897067324 is 42376079816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8169602 + ... + 8177174.

Almost surely, 2^61897067324 is an apocalyptic number.

It is an amenable number.

61897067324 is a deficient number, since it is larger than the sum of its proper divisors (48492134620).

61897067324 is a wasteful number, since it uses less digits than its factorization.

61897067324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282 (or 8221 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 61897067324 in words is "sixty-one billion, eight hundred ninety-seven million, sixty-seven thousand, three hundred twenty-four".