36986597761 has 3 divisors (see below), whose sum is σ = 36986790081. Its totient is φ = 36986405442.

The previous prime is 36986597717. The next prime is 36986597789. The reversal of 36986597761 is 16779568963.

The square root of 36986597761 is 192319.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 36986597761 - 2¹⁷ = 36986466689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36986597561) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 96160 + ... + 288478.

It is an arithmetic number, because the mean of its divisors is an integer number (12328930027).

Almost surely, 2^36986597761 is an apocalyptic number.

36986597761 is the 192319-th square number.

36986597761 is the 96160-th centered octagonal number.

It is an amenable number.

36986597761 is a deficient number, since it is larger than the sum of its proper divisors (192320).

36986597761 is an frugal number, since it uses more digits than its factorization.

36986597761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384638 (or 192319 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 67.

The spelling of 36986597761 in words is "thirty-six billion, nine hundred eighty-six million, five hundred ninety-seven thousand, seven hundred sixty-one".