87377333081680 has 160 divisors (see below), whose sum is σ = 205411485109248. Its totient is φ = 34564979097600.

The previous prime is 87377333081659. The next prime is 87377333081683. The reversal of 87377333081680 is 8618033377378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87377333081683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869930477 + ... + 1869977203.

Almost surely, 2^{87377333081680} is an apocalyptic number.

87377333081680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87377333081680 is an abundant number, since it is smaller than the sum of its proper divisors (118034152027568).

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

87377333081680 is a wasteful number, since it uses less digits than its factorization.

87377333081680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47645 (or 47639 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 87377333081680 in words is "eighty-seven trillion, three hundred seventy-seven billion, three hundred thirty-three million, eighty-one thousand, six hundred eighty".