8277742218480 has 80 divisors (see below), whose sum is σ = 29326858151424. Its totient is φ = 1892055363840.

The previous prime is 8277742218469. The next prime is 8277742218481. The reversal of 8277742218480 is 848122477728.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8277742218481) 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, 2463612076 + ... + 2463615435.

Almost surely, 2^{8277742218480} is an apocalyptic number.

8277742218480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8277742218480 is an abundant number, since it is smaller than the sum of its proper divisors (21049115932944).

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

8277742218480 is a wasteful number, since it uses less digits than its factorization.

8277742218480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927227534 (or 4927227528 counting only the distinct ones).

The product of its (nonzero) digits is 22478848, while the sum is 60.

The spelling of 8277742218480 in words is "eight trillion, two hundred seventy-seven billion, seven hundred forty-two million, two hundred eighteen thousand, four hundred eighty".