877683630866087 has 4 divisors (see below), whose sum is σ = 892559624609640. Its totient is φ = 862807637122536.

The previous prime is 877683630866047. The next prime is 877683630866111. The reversal of 877683630866087 is 780668036386778.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 877683630866087 - 2¹⁸ = 877683630603943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 877683630865996 and 877683630866014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877683630866047) 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, 7437996871688 + ... + 7437996871805.

It is an arithmetic number, because the mean of its divisors is an integer number (223139906152410).

Almost surely, 2^{877683630866087} is an apocalyptic number.

877683630866087 is a deficient number, since it is larger than the sum of its proper divisors (14875993743553).

877683630866087 is a wasteful number, since it uses less digits than its factorization.

877683630866087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875993743552.

The product of its (nonzero) digits is 16387080192, while the sum is 83.

The spelling of 877683630866087 in words is "eight hundred seventy-seven trillion, six hundred eighty-three billion, six hundred thirty million, eight hundred sixty-six thousand, eighty-seven".