60997864 has 8 divisors (see below), whose sum is σ = 114371010. Its totient is φ = 30498928.

The previous prime is 60997861. The next prime is 60997877. The reversal of 60997864 is 46879906.

It can be written as a sum of positive squares in only one way, i.e., 60996100 + 1764 = 7810^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (60997861) 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 as a sum of consecutive naturals, namely, 3812359 + ... + 3812374.

Almost surely, 2^60997864 is an apocalyptic number.

It is an amenable number.

60997864 is a deficient number, since it is larger than the sum of its proper divisors (53373146).

60997864 is a wasteful number, since it uses less digits than its factorization.

60997864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624739 (or 7624735 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 60997864 is about 7810.1129313218. The cubic root of 60997864 is about 393.6451235254.

The spelling of 60997864 in words is "sixty million, nine hundred ninety-seven thousand, eight hundred sixty-four".