57771871458 has 32 divisors (see below), whose sum is σ = 134288133120. Its totient is φ = 16226481360.

The previous prime is 57771871441. The next prime is 57771871489. The reversal of 57771871458 is 85417817775.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11654478 + ... + 11659433.

It is an arithmetic number, because the mean of its divisors is an integer number (4196504160).

Almost surely, 2^57771871458 is an apocalyptic number.

57771871458 is an abundant number, since it is smaller than the sum of its proper divisors (76516261662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57771871458 is a wasteful number, since it uses less digits than its factorization.

57771871458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23313982.

The product of its digits is 15366400, while the sum is 60.

The spelling of 57771871458 in words is "fifty-seven billion, seven hundred seventy-one million, eight hundred seventy-one thousand, four hundred fifty-eight".