77108061 has 8 divisors (see below), whose sum is σ = 108221920. Its totient is φ = 48699792.

The previous prime is 77108047. The next prime is 77108069. The reversal of 77108061 is 16080177.

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

It is not a de Polignac number, because 77108061 - 2⁶ = 77107997 is a prime.

It is a super-3 number, since 3×77108061³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77108069) 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 7 ways as a sum of consecutive naturals, for example, 676330 + ... + 676443.

It is an arithmetic number, because the mean of its divisors is an integer number (13527740).

Almost surely, 2^77108061 is an apocalyptic number.

It is an amenable number.

77108061 is a deficient number, since it is larger than the sum of its proper divisors (31113859).

77108061 is a wasteful number, since it uses less digits than its factorization.

77108061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352795.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 77108061 is about 8781.1195755439. The cubic root of 77108061 is about 425.6310091419.

The spelling of 77108061 in words is "seventy-seven million, one hundred eight thousand, sixty-one".