76771070770 has 8 divisors (see below), whose sum is σ = 138187927404. Its totient is φ = 30708428304.

The previous prime is 76771070669. The next prime is 76771070807. The reversal of 76771070770 is 7707017767.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76711826961 + 59243809 = 276969^2 + 7697^2 .

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

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, 3838553529 + ... + 3838553548.

Almost surely, 2^76771070770 is an apocalyptic number.

76771070770 is a deficient number, since it is larger than the sum of its proper divisors (61416856634).

76771070770 is a wasteful number, since it uses less digits than its factorization.

76771070770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677107084.

The product of its (nonzero) digits is 705894, while the sum is 49.

The spelling of 76771070770 in words is "seventy-six billion, seven hundred seventy-one million, seventy thousand, seven hundred seventy".