2665432077 has 32 divisors (see below), whose sum is σ = 4521292800. Its totient is φ = 1384634160.

The previous prime is 2665432061. The next prime is 2665432093. The reversal of 2665432077 is 7702345662.

It is an interprime number because it is at equal distance from previous prime (2665432061) and next prime (2665432093).

It is not a de Polignac number, because 2665432077 - 2⁴ = 2665432061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665432277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106423 + ... + 129060.

It is an arithmetic number, because the mean of its divisors is an integer number (141290400).

Almost surely, 2^2665432077 is an apocalyptic number.

It is an amenable number.

2665432077 is a deficient number, since it is larger than the sum of its proper divisors (1855860723).

2665432077 is a wasteful number, since it uses less digits than its factorization.

2665432077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235518 (or 235504 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 2665432077 is about 51627.8227024925. The cubic root of 2665432077 is about 1386.5085115007.

The spelling of 2665432077 in words is "two billion, six hundred sixty-five million, four hundred thirty-two thousand, seventy-seven".