8461077657 has 8 divisors (see below), whose sum is σ = 11285758176. Its totient is φ = 5638557792.

The previous prime is 8461077631. The next prime is 8461077697. The reversal of 8461077657 is 7567701648.

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

It is not a de Polignac number, because 8461077657 - 2¹⁸ = 8460815513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8461077697) 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, 531003 + ... + 546704.

It is an arithmetic number, because the mean of its divisors is an integer number (1410719772).

Almost surely, 2^8461077657 is an apocalyptic number.

It is an amenable number.

8461077657 is a deficient number, since it is larger than the sum of its proper divisors (2824680519).

8461077657 is a wasteful number, since it uses less digits than its factorization.

8461077657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080327.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 8461077657 is about 91984.1163299404. The cubic root of 8461077657 is about 2037.7077335314.

The spelling of 8461077657 in words is "eight billion, four hundred sixty-one million, seventy-seven thousand, six hundred fifty-seven".