61907927055 has 48 divisors (see below), whose sum is σ = 110718314496. Its totient is φ = 29494558080.

The previous prime is 61907927051. The next prime is 61907927071. The reversal of 61907927055 is 55072970916.

It is not a de Polignac number, because 61907927055 - 2² = 61907927051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61907926989 and 61907927007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61907927051) 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 in 47 ways as a sum of consecutive naturals, for example, 315307 + ... + 472476.

It is an arithmetic number, because the mean of its divisors is an integer number (2306631552).

Almost surely, 2^61907927055 is an apocalyptic number.

61907927055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61907927055 is a deficient number, since it is larger than the sum of its proper divisors (48810387441).

61907927055 is a wasteful number, since it uses less digits than its factorization.

61907927055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787848 (or 787835 counting only the distinct ones).

The product of its (nonzero) digits is 1190700, while the sum is 51.

The spelling of 61907927055 in words is "sixty-one billion, nine hundred seven million, nine hundred twenty-seven thousand, fifty-five".