57147751407 has 4 divisors (see below), whose sum is σ = 76197001880. Its totient is φ = 38098500936.

The previous prime is 57147751333. The next prime is 57147751439. The reversal of 57147751407 is 70415774175.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57147751407 - 2¹⁰ = 57147750383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57147751487) 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 3 ways as a sum of consecutive naturals, for example, 9524625232 + ... + 9524625237.

It is an arithmetic number, because the mean of its divisors is an integer number (19049250470).

Almost surely, 2^57147751407 is an apocalyptic number.

57147751407 is a deficient number, since it is larger than the sum of its proper divisors (19049250473).

57147751407 is a wasteful number, since it uses less digits than its factorization.

57147751407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19049250472.

The product of its (nonzero) digits is 960400, while the sum is 48.

The spelling of 57147751407 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred fifty-one thousand, four hundred seven".