76161869 has 4 divisors (see below), whose sum is σ = 87042144. Its totient is φ = 65281596.

The previous prime is 76161829. The next prime is 76161881. The reversal of 76161869 is 96816167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96816167 = 7 ⋅13830881.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76161869 is a prime.

It is a super-2 number, since 2×76161869² = 11601260579146322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76161829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5440127 + ... + 5440140.

It is an arithmetic number, because the mean of its divisors is an integer number (21760536).

Almost surely, 2^76161869 is an apocalyptic number.

It is an amenable number.

76161869 is a deficient number, since it is larger than the sum of its proper divisors (10880275).

76161869 is a wasteful number, since it uses less digits than its factorization.

76161869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880274.

The product of its digits is 108864, while the sum is 44.

The square root of 76161869 is about 8727.0767728948. The cubic root of 76161869 is about 423.8828682174.

The spelling of 76161869 in words is "seventy-six million, one hundred sixty-one thousand, eight hundred sixty-nine".