77070722532 has 12 divisors (see below), whose sum is σ = 179831685936. Its totient is φ = 25690240840.

The previous prime is 77070722467. The next prime is 77070722539. The reversal of 77070722532 is 23522707077.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (77070722539) 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, 3211280094 + ... + 3211280117.

It is an arithmetic number, because the mean of its divisors is an integer number (14985973828).

Almost surely, 2^77070722532 is an apocalyptic number.

It is an amenable number.

77070722532 is an abundant number, since it is smaller than the sum of its proper divisors (102760963404).

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

77070722532 is a wasteful number, since it uses less digits than its factorization.

77070722532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422560218 (or 6422560216 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 42.

The spelling of 77070722532 in words is "seventy-seven billion, seventy million, seven hundred twenty-two thousand, five hundred thirty-two".