33777776106380 has 48 divisors (see below), whose sum is σ = 75362531267520. Its totient is φ = 12692636828928.

The previous prime is 33777776106367. The next prime is 33777776106407. The reversal of 33777776106380 is 8360167777733.

It is a happy number.

It is a super-2 number, since 2×33777776106380² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786972392 + ... + 787015311.

It is an arithmetic number, because the mean of its divisors is an integer number (1570052734740).

Almost surely, 2^{33777776106380} is an apocalyptic number.

It is an amenable number.

33777776106380 is an abundant number, since it is smaller than the sum of its proper divisors (41584755161140).

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

33777776106380 is a wasteful number, since it uses less digits than its factorization.

33777776106380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573987778 (or 1573987776 counting only the distinct ones).

The product of its (nonzero) digits is 130691232, while the sum is 65.

The spelling of 33777776106380 in words is "thirty-three trillion, seven hundred seventy-seven billion, seven hundred seventy-six million, one hundred six thousand, three hundred eighty".