1087658218878 has 32 divisors (see below), whose sum is σ = 2712082832640. Its totient is φ = 282508628160.

The previous prime is 1087658218877. The next prime is 1087658218879. The reversal of 1087658218878 is 8788128567801.

It is an interprime number because it is at equal distance from previous prime (1087658218877) and next prime (1087658218879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087658218873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177118823 + ... + 1177119746.

It is an arithmetic number, because the mean of its divisors is an integer number (84752588520).

Almost surely, 2^{1087658218878} is an apocalyptic number.

1087658218878 is an abundant number, since it is smaller than the sum of its proper divisors (1624424613762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087658218878 is a wasteful number, since it uses less digits than its factorization.

1087658218878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354238592.

The product of its (nonzero) digits is 96337920, while the sum is 69.

It can be divided in two parts, 1087658 and 218878, that added together give a triangular number (1306536 = T₁₆₁₆).

The spelling of 1087658218878 in words is "one trillion, eighty-seven billion, six hundred fifty-eight million, two hundred eighteen thousand, eight hundred seventy-eight".