76887107149 has 4 divisors (see below), whose sum is σ = 76889703520. Its totient is φ = 76884510780.

The previous prime is 76887107083. The next prime is 76887107161. The reversal of 76887107149 is 94170178867.

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.

It is a cyclic number.

It is not a de Polignac number, because 76887107149 - 2¹⁷ = 76886976077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76887107093 and 76887107102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76887107189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253247 + ... + 1313164.

It is an arithmetic number, because the mean of its divisors is an integer number (19222425880).

Almost surely, 2^76887107149 is an apocalyptic number.

It is an amenable number.

76887107149 is a deficient number, since it is larger than the sum of its proper divisors (2596371).

76887107149 is a wasteful number, since it uses less digits than its factorization.

76887107149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596370.

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 76887107149 in words is "seventy-six billion, eight hundred eighty-seven million, one hundred seven thousand, one hundred forty-nine".