77676322952 has 36 divisors (see below), whose sum is σ = 146650654215. Its totient is φ = 38571323280.

The previous prime is 77676322921. The next prime is 77676322963. The reversal of 77676322952 is 25922367677.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 38838161476 + 38838161476 = 197074^2 + 197074^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=197074.

It is a super-2 number, since 2×77676322952² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 166330223 + ... + 166330689.

Almost surely, 2^77676322952 is an apocalyptic number.

It is an amenable number.

77676322952 is a deficient number, since it is larger than the sum of its proper divisors (68974331263).

77676322952 is an frugal number, since it uses more digits than its factorization.

77676322952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 680 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 56.

The spelling of 77676322952 in words is "seventy-seven billion, six hundred seventy-six million, three hundred twenty-two thousand, nine hundred fifty-two".