57896321738 has 4 divisors (see below), whose sum is σ = 86844482610. Its totient is φ = 28948160868.

The previous prime is 57896321701. The next prime is 57896321753. The reversal of 57896321738 is 83712369875.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 46441543009 + 11454778729 = 215503^2 + 107027^2 .

It is a super-2 number, since 2×57896321738² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14474080433 + ... + 14474080436.

Almost surely, 2^57896321738 is an apocalyptic number.

57896321738 is a deficient number, since it is larger than the sum of its proper divisors (28948160872).

57896321738 is a wasteful number, since it uses less digits than its factorization.

57896321738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28948160871.

The product of its digits is 15240960, while the sum is 59.

The spelling of 57896321738 in words is "fifty-seven billion, eight hundred ninety-six million, three hundred twenty-one thousand, seven hundred thirty-eight".