61928377027 has 8 divisors (see below), whose sum is σ = 67672162800. Its totient is φ = 56203580160.

The previous prime is 61928377001. The next prime is 61928377039. The reversal of 61928377027 is 72077382916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61928377027 - 2⁷ = 61928376899 is a prime.

It is a super-2 number, since 2×61928377027² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61928377067) 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 7 ways as a sum of consecutive naturals, for example, 4740402 + ... + 4753447.

It is an arithmetic number, because the mean of its divisors is an integer number (8459020350).

Almost surely, 2^61928377027 is an apocalyptic number.

61928377027 is a deficient number, since it is larger than the sum of its proper divisors (5743785773).

61928377027 is a wasteful number, since it uses less digits than its factorization.

61928377027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494453.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 61928377027 in words is "sixty-one billion, nine hundred twenty-eight million, three hundred seventy-seven thousand, twenty-seven".