57578261461 has 8 divisors (see below), whose sum is σ = 65807109824. Its totient is φ = 49350258720.

The previous prime is 57578261453. The next prime is 57578261501. The reversal of 57578261461 is 16416287575.

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

It is not a de Polignac number, because 57578261461 - 2³ = 57578261453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57578261399 and 57578261408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57578261161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58080 + ... + 344281.

It is an arithmetic number, because the mean of its divisors is an integer number (8225888728).

Almost surely, 2^57578261461 is an apocalyptic number.

It is an amenable number.

57578261461 is a deficient number, since it is larger than the sum of its proper divisors (8228848363).

57578261461 is a wasteful number, since it uses less digits than its factorization.

57578261461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422811.

The product of its digits is 2822400, while the sum is 52.

The spelling of 57578261461 in words is "fifty-seven billion, five hundred seventy-eight million, two hundred sixty-one thousand, four hundred sixty-one".