77700086 has 8 divisors (see below), whose sum is σ = 116588160. Its totient is φ = 38837368.

The previous prime is 77700079. The next prime is 77700121. The reversal of 77700086 is 68000777.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635 + ... + 14121.

It is an arithmetic number, because the mean of its divisors is an integer number (14573520).

Almost surely, 2^77700086 is an apocalyptic number.

77700086 is a deficient number, since it is larger than the sum of its proper divisors (38888074).

77700086 is a wasteful number, since it uses less digits than its factorization.

77700086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678.

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 77700086 is about 8814.7652265957. The cubic root of 77700086 is about 426.7175450666.

The spelling of 77700086 in words is "seventy-seven million, seven hundred thousand, eighty-six".