37766390065 has 32 divisors (see below), whose sum is σ = 47813197824. Its totient is φ = 28599298560.

The previous prime is 37766390059. The next prime is 37766390071. The reversal of 37766390065 is 56009366773.

It is an interprime number because it is at equal distance from previous prime (37766390059) and next prime (37766390071).

It is not a de Polignac number, because 37766390065 - 2⁷ = 37766389937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37766389994 and 37766390021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2776912 + ... + 2790478.

It is an arithmetic number, because the mean of its divisors is an integer number (1494162432).

Almost surely, 2^37766390065 is an apocalyptic number.

It is an amenable number.

37766390065 is a deficient number, since it is larger than the sum of its proper divisors (10046807759).

37766390065 is a wasteful number, since it uses less digits than its factorization.

37766390065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14017.

The product of its (nonzero) digits is 4286520, while the sum is 52.

The spelling of 37766390065 in words is "thirty-seven billion, seven hundred sixty-six million, three hundred ninety thousand, sixty-five".