77101138 has 8 divisors (see below), whose sum is σ = 115823088. Its totient is φ = 38493444.

The previous prime is 77101127. The next prime is 77101153. The reversal of 77101138 is 83110177.

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

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 3 ways as a sum of consecutive naturals, for example, 26856 + ... + 29587.

It is an arithmetic number, because the mean of its divisors is an integer number (14477886).

Almost surely, 2^77101138 is an apocalyptic number.

77101138 is a deficient number, since it is larger than the sum of its proper divisors (38721950).

77101138 is a wasteful number, since it uses less digits than its factorization.

77101138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57128.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 77101138 is about 8780.7253686697. The cubic root of 77101138 is about 425.6182706049.

The spelling of 77101138 in words is "seventy-seven million, one hundred one thousand, one hundred thirty-eight".