7770270018252 has 216 divisors, whose sum is σ = 23583528292800. Its totient is φ = 1979510690304.

The previous prime is 7770270018241. The next prime is 7770270018299. The reversal of 7770270018252 is 2528100720777.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2025399 + ... + 4432017.

Almost surely, 2^{7770270018252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7770270018252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11791764146400).

7770270018252 is an abundant number, since it is smaller than the sum of its proper divisors (15813258274548).

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

7770270018252 is a wasteful number, since it uses less digits than its factorization.

7770270018252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406693 (or 2406667 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 48.

The spelling of 7770270018252 in words is "seven trillion, seven hundred seventy billion, two hundred seventy million, eighteen thousand, two hundred fifty-two".