61276606623984 has 80 divisors (see below), whose sum is σ = 158728801420800. Its totient is φ = 20370004566528.

The previous prime is 61276606623971. The next prime is 61276606624003. The reversal of 61276606623984 is 48932660667216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27297487 + ... + 29456849.

It is an arithmetic number, because the mean of its divisors is an integer number (1984110017760).

Almost surely, 2^{61276606623984} is an apocalyptic number.

It is an amenable number.

61276606623984 is an abundant number, since it is smaller than the sum of its proper divisors (97452194796816).

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

61276606623984 is a wasteful number, since it uses less digits than its factorization.

61276606623984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160982 (or 2160976 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 66.

The spelling of 61276606623984 in words is "sixty-one trillion, two hundred seventy-six billion, six hundred six million, six hundred twenty-three thousand, nine hundred eighty-four".