37897894352 has 10 divisors (see below), whose sum is σ = 73427170338. Its totient is φ = 18948947168.

The previous prime is 37897894313. The next prime is 37897894357. The reversal of 37897894352 is 25349879873.

It can be written as a sum of positive squares in only one way, i.e., 36719757376 + 1178136976 = 191624^2 + 34324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37897894357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184309183 + ... + 1184309214.

Almost surely, 2^37897894352 is an apocalyptic number.

It is an amenable number.

37897894352 is a deficient number, since it is larger than the sum of its proper divisors (35529275986).

37897894352 is a wasteful number, since it uses less digits than its factorization.

37897894352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368618405 (or 2368618399 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 65.

The spelling of 37897894352 in words is "thirty-seven billion, eight hundred ninety-seven million, eight hundred ninety-four thousand, three hundred fifty-two".