77123676 has 24 divisors (see below), whose sum is σ = 205663360. Its totient is φ = 22035312.

The previous prime is 77123659. The next prime is 77123689. The reversal of 77123676 is 67632177.

It is a super-2 number, since 2×77123676² = 11896122799505952, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458986 + ... + 459153.

Almost surely, 2^77123676 is an apocalyptic number.

It is an amenable number.

77123676 is an abundant number, since it is smaller than the sum of its proper divisors (128539684).

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

77123676 is a wasteful number, since it uses less digits than its factorization.

77123676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918153 (or 918151 counting only the distinct ones).

The product of its digits is 74088, while the sum is 39.

The square root of 77123676 is about 8782.0086540609. The cubic root of 77123676 is about 425.6597384323.

It can be divided in two parts, 77 and 123676, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 77123676 in words is "seventy-seven million, one hundred twenty-three thousand, six hundred seventy-six".