87766666663374 has 24 divisors (see below), whose sum is σ = 190184643297792. Its totient is φ = 29251935216960.

The previous prime is 87766666663373. The next prime is 87766666663441. The reversal of 87766666663374 is 47336666666778.

It is a junction number, because it is equal to n+sod(n) for n = 87766666663293 and 87766666663302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87766666663373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301545294 + ... + 301836209.

It is an arithmetic number, because the mean of its divisors is an integer number (7924360137408).

Almost surely, 2^{87766666663374} is an apocalyptic number.

87766666663374 is an abundant number, since it is smaller than the sum of its proper divisors (102417976634418).

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

87766666663374 is a wasteful number, since it uses less digits than its factorization.

87766666663374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603389592 (or 603389589 counting only the distinct ones).

The product of its digits is 27653197824, while the sum is 81.

The spelling of 87766666663374 in words is "eighty-seven trillion, seven hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-three thousand, three hundred seventy-four".