7772001582012 has 48 divisors (see below), whose sum is σ = 18719925504000. Its totient is φ = 2507061689280.

The previous prime is 7772001581987. The next prime is 7772001582031. The reversal of 7772001582012 is 2102851002777.

It is a congruent number.

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, 42718614 + ... + 42900162.

It is an arithmetic number, because the mean of its divisors is an integer number (389998448000).

Almost surely, 2^{7772001582012} is an apocalyptic number.

It is an amenable number.

7772001582012 is an abundant number, since it is smaller than the sum of its proper divisors (10947923921988).

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

7772001582012 is a wasteful number, since it uses less digits than its factorization.

7772001582012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296666 (or 296664 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 42.

Adding to 7772001582012 its reverse (2102851002777), we get a palindrome (9874852584789).

The spelling of 7772001582012 in words is "seven trillion, seven hundred seventy-two billion, one million, five hundred eighty-two thousand, twelve".