877874363478778 has 8 divisors (see below), whose sum is σ = 1329849283289940. Its totient is φ = 434591269048800.

The previous prime is 877874363478733. The next prime is 877874363478809.

877874363478778 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 721801138451449 + 156073225027329 = 26866357^2 + 12492927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172956345043 + ... + 2172956345446.

Almost surely, 2^{877874363478778} is an apocalyptic number.

877874363478778 is a deficient number, since it is larger than the sum of its proper divisors (451974919811162).

877874363478778 is a wasteful number, since it uses less digits than its factorization.

877874363478778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345912690592.

The product of its digits is 416353222656, while the sum is 94.

The spelling of 877874363478778 in words is "eight hundred seventy-seven trillion, eight hundred seventy-four billion, three hundred sixty-three million, four hundred seventy-eight thousand, seven hundred seventy-eight".