37664804428 has 6 divisors (see below), whose sum is σ = 65913407756. Its totient is φ = 18832402212.

The previous prime is 37664804377. The next prime is 37664804431. The reversal of 37664804428 is 82440846673.

It is a happy number.

It is an unprimeable number.

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, 4708100550 + ... + 4708100557.

Almost surely, 2^37664804428 is an apocalyptic number.

It is an amenable number.

37664804428 is a deficient number, since it is larger than the sum of its proper divisors (28248603328).

37664804428 is a wasteful number, since it uses less digits than its factorization.

37664804428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416201111 (or 9416201109 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 37664804428 in words is "thirty-seven billion, six hundred sixty-four million, eight hundred four thousand, four hundred twenty-eight".