87814335488 has 44 divisors (see below), whose sum is σ = 191501386152. Its totient is φ = 39915601920.

The previous prime is 87814335481. The next prime is 87814335551. The reversal of 87814335488 is 88453341878.

It is a tau number, because it is divible by the number of its divisors (44).

It is a super-2 number, since 2×87814335488² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87814335481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886745 + ... + 3909272.

Almost surely, 2^87814335488 is an apocalyptic number.

87814335488 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87814335488 is an abundant number, since it is smaller than the sum of its proper divisors (103687050664).

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

87814335488 is a wasteful number, since it uses less digits than its factorization.

87814335488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796048 (or 7796030 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 59.

The spelling of 87814335488 in words is "eighty-seven billion, eight hundred fourteen million, three hundred thirty-five thousand, four hundred eighty-eight".