610878887487 has 48 divisors (see below), whose sum is σ = 995247043840. Its totient is φ = 370047767760.

The previous prime is 610878887477. The next prime is 610878887497. The reversal of 610878887487 is 784788878016.

610878887487 is a `hidden beast` number, since 61 + 0 + 8 + 7 + 8 + 8 + 87 + 487 = 666.

It is an interprime number because it is at equal distance from previous prime (610878887477) and next prime (610878887497).

It is not a de Polignac number, because 610878887487 - 2⁴ = 610878887471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610878887477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6760278 + ... + 6850044.

Almost surely, 2^610878887487 is an apocalyptic number.

610878887487 is a deficient number, since it is larger than the sum of its proper divisors (384368156353).

610878887487 is a wasteful number, since it uses less digits than its factorization.

610878887487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91881 (or 91864 counting only the distinct ones).

The product of its (nonzero) digits is 269746176, while the sum is 72.

The spelling of 610878887487 in words is "six hundred ten billion, eight hundred seventy-eight million, eight hundred eighty-seven thousand, four hundred eighty-seven".