37485620477 has 2 divisors, whose sum is σ = 37485620478. Its totient is φ = 37485620476.

The previous prime is 37485620443. The next prime is 37485620503. The reversal of 37485620477 is 77402658473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30562382041 + 6923238436 = 174821^2 + 83206^2 .

It is a cyclic number.

It is not a de Polignac number, because 37485620477 - 2²² = 37481426173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37485640477) 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, 18742810238 + 18742810239.

It is an arithmetic number, because the mean of its divisors is an integer number (18742810239).

Almost surely, 2^37485620477 is an apocalyptic number.

It is an amenable number.

37485620477 is a deficient number, since it is larger than the sum of its proper divisors (1).

37485620477 is an equidigital number, since it uses as much as digits as its factorization.

37485620477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 37485620477 in words is "thirty-seven billion, four hundred eighty-five million, six hundred twenty thousand, four hundred seventy-seven".