77126938 has 8 divisors (see below), whose sum is σ = 132217632. Its totient is φ = 33054396.

The previous prime is 77126927. The next prime is 77126939. The reversal of 77126938 is 83962177.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 77126894 and 77126903.

It is not an unprimeable number, because it can be changed into a prime (77126939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754520 + ... + 2754547.

It is an arithmetic number, because the mean of its divisors is an integer number (16527204).

Almost surely, 2^77126938 is an apocalyptic number.

77126938 is a deficient number, since it is larger than the sum of its proper divisors (55090694).

77126938 is a wasteful number, since it uses less digits than its factorization.

77126938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509076.

The product of its digits is 127008, while the sum is 43.

The square root of 77126938 is about 8782.1943727066. The cubic root of 77126938 is about 425.6657395401.

The spelling of 77126938 in words is "seventy-seven million, one hundred twenty-six thousand, nine hundred thirty-eight".