61074665587 has 8 divisors (see below), whose sum is σ = 65872532880. Its totient is φ = 56291057760.

The previous prime is 61074665581. The next prime is 61074665627. The reversal of 61074665587 is 78556647016.

61074665587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61074665587 - 2¹⁵ = 61074632819 is a prime.

It is a super-2 number, since 2×61074665587² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61074665581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555964 + ... + 3573097.

It is an arithmetic number, because the mean of its divisors is an integer number (8234066610).

Almost surely, 2^61074665587 is an apocalyptic number.

61074665587 is a deficient number, since it is larger than the sum of its proper divisors (4797867293).

61074665587 is a wasteful number, since it uses less digits than its factorization.

61074665587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129733.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 61074665587 in words is "sixty-one billion, seventy-four million, six hundred sixty-five thousand, five hundred eighty-seven".