37552239997 has 2 divisors, whose sum is σ = 37552239998. Its totient is φ = 37552239996.

The previous prime is 37552239973. The next prime is 37552240007. The reversal of 37552239997 is 79993225573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37321989721 + 230250276 = 193189^2 + 15174^2 .

It is a cyclic number.

It is not a de Polignac number, because 37552239997 - 2¹¹ = 37552237949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37552239397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18776119998 + 18776119999.

It is an arithmetic number, because the mean of its divisors is an integer number (18776119999).

Almost surely, 2^37552239997 is an apocalyptic number.

It is an amenable number.

37552239997 is a deficient number, since it is larger than the sum of its proper divisors (1).

37552239997 is an equidigital number, since it uses as much as digits as its factorization.

37552239997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32148900, while the sum is 61.

The spelling of 37552239997 in words is "thirty-seven billion, five hundred fifty-two million, two hundred thirty-nine thousand, nine hundred ninety-seven".