77063170532 has 12 divisors (see below), whose sum is σ = 139510912380. Its totient is φ = 37202909856.

The previous prime is 77063170501. The next prime is 77063170549. The reversal of 77063170532 is 23507136077.

It can be written as a sum of positive squares in 2 ways, for example, as 57434039716 + 19629130816 = 239654^2 + 140104^2 .

It is a super-2 number, since 2×77063170532² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77063170532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332168723 + ... + 332168954.

It is an arithmetic number, because the mean of its divisors is an integer number (11625909365).

Almost surely, 2^77063170532 is an apocalyptic number.

It is an amenable number.

77063170532 is a deficient number, since it is larger than the sum of its proper divisors (62447741848).

77063170532 is a wasteful number, since it uses less digits than its factorization.

77063170532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664337710 (or 664337708 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 77063170532 in words is "seventy-seven billion, sixty-three million, one hundred seventy thousand, five hundred thirty-two".