77006552572 has 24 divisors (see below), whose sum is σ = 137530038240. Its totient is φ = 37719165120.

The previous prime is 77006552543. The next prime is 77006552591. The reversal of 77006552572 is 27525560077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818947 + ... + 908122.

It is an arithmetic number, because the mean of its divisors is an integer number (5730418260).

Almost surely, 2^77006552572 is an apocalyptic number.

It is an amenable number.

77006552572 is a deficient number, since it is larger than the sum of its proper divisors (60523485668).

77006552572 is a wasteful number, since it uses less digits than its factorization.

77006552572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727301 (or 1727299 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 46.

The spelling of 77006552572 in words is "seventy-seven billion, six million, five hundred fifty-two thousand, five hundred seventy-two".