76606465540237 has 4 divisors (see below), whose sum is σ = 78676910554876. Its totient is φ = 74536020525600.

The previous prime is 76606465540223. The next prime is 76606465540327. The reversal of 76606465540237 is 73204556460667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55250366097481 + 21356099442756 = 7433059^2 + 4621266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76606465540237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76606465540837) 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 in 3 ways as a sum of consecutive naturals, for example, 1035222507264 + ... + 1035222507337.

It is an arithmetic number, because the mean of its divisors is an integer number (19669227638719).

Almost surely, 2^{76606465540237} is an apocalyptic number.

It is an amenable number.

76606465540237 is a deficient number, since it is larger than the sum of its proper divisors (2070445014639).

76606465540237 is a wasteful number, since it uses less digits than its factorization.

76606465540237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070445014638.

The product of its (nonzero) digits is 152409600, while the sum is 61.

The spelling of 76606465540237 in words is "seventy-six trillion, six hundred six billion, four hundred sixty-five million, five hundred forty thousand, two hundred thirty-seven".