57894742690 has 8 divisors (see below), whose sum is σ = 104210536860. Its totient is φ = 23157897072.

The previous prime is 57894742687. The next prime is 57894742729. The reversal of 57894742690 is 9624749875.

It can be written as a sum of positive squares in 2 ways, for example, as 53944243081 + 3950499609 = 232259^2 + 62853^2 .

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

It is a super-2 number, since 2×57894742690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894737125 + ... + 2894737144.

Almost surely, 2^57894742690 is an apocalyptic number.

57894742690 is a deficient number, since it is larger than the sum of its proper divisors (46315794170).

57894742690 is a wasteful number, since it uses less digits than its factorization.

57894742690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789474276.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 57894742690 in words is "fifty-seven billion, eight hundred ninety-four million, seven hundred forty-two thousand, six hundred ninety".