7877061677361 has 4 divisors (see below), whose sum is σ = 10502748903152. Its totient is φ = 5251374451572.

The previous prime is 7877061677341. The next prime is 7877061677371. The reversal of 7877061677361 is 1637761607787.

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 not a de Polignac number, because 7877061677361 - 2⁶ = 7877061677297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7877061677292 and 7877061677301.

It is not an unprimeable number, because it can be changed into a prime (7877061677341) 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, 1312843612891 + ... + 1312843612896.

It is an arithmetic number, because the mean of its divisors is an integer number (2625687225788).

Almost surely, 2^{7877061677361} is an apocalyptic number.

It is an amenable number.

7877061677361 is a deficient number, since it is larger than the sum of its proper divisors (2625687225791).

7877061677361 is a wasteful number, since it uses less digits than its factorization.

7877061677361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625687225790.

The product of its (nonzero) digits is 87127488, while the sum is 66.

The spelling of 7877061677361 in words is "seven trillion, eight hundred seventy-seven billion, sixty-one million, six hundred seventy-seven thousand, three hundred sixty-one".