87667875687408 has 40 divisors (see below), whose sum is σ = 226513557049728. Its totient is φ = 29217694709952.

The previous prime is 87667875687407. The next prime is 87667875687409. The reversal of 87667875687408 is 80478657876678.

It is an interprime number because it is at equal distance from previous prime (87667875687407) and next prime (87667875687409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87667875687407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153791266 + ... + 154360257.

Almost surely, 2^{87667875687408} is an apocalyptic number.

It is an amenable number.

87667875687408 is an abundant number, since it is smaller than the sum of its proper divisors (138845681362320).

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

87667875687408 is a wasteful number, since it uses less digits than its factorization.

87667875687408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308157461 (or 308157455 counting only the distinct ones).

The product of its (nonzero) digits is 42485022720, while the sum is 87.

The spelling of 87667875687408 in words is "eighty-seven trillion, six hundred sixty-seven billion, eight hundred seventy-five million, six hundred eighty-seven thousand, four hundred eight".