61058274687 has 32 divisors (see below), whose sum is σ = 91663488000. Its totient is φ = 40163160960.

The previous prime is 61058274661. The next prime is 61058274691. The reversal of 61058274687 is 78647285016.

61058274687 is a `hidden beast` number, since 6 + 10 + 582 + 7 + 46 + 8 + 7 = 666.

It is not a de Polignac number, because 61058274687 - 2⁷ = 61058274559 is a prime.

It is a super-2 number, since 2×61058274687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61058274617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3444487 + ... + 3462167.

It is an arithmetic number, because the mean of its divisors is an integer number (2864484000).

Almost surely, 2^61058274687 is an apocalyptic number.

61058274687 is a deficient number, since it is larger than the sum of its proper divisors (30605213313).

61058274687 is a wasteful number, since it uses less digits than its factorization.

61058274687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388 (or 19382 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 61058274687 in words is "sixty-one billion, fifty-eight million, two hundred seventy-four thousand, six hundred eighty-seven".