76313777 has 12 divisors (see below), whose sum is σ = 78938100. Its totient is φ = 73771488.

The previous prime is 76313749. The next prime is 76313807. The reversal of 76313777 is 77731367.

It can be written as a sum of positive squares in 2 ways, for example, as 10962721 + 65351056 = 3311^2 + 8084^2 .

It is not a de Polignac number, because 76313777 - 2¹⁴ = 76297393 is a prime.

It is a super-3 number, since 3×76313777³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76312777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275363 + ... + 275639.

It is an arithmetic number, because the mean of its divisors is an integer number (6578175).

Almost surely, 2^76313777 is an apocalyptic number.

It is an amenable number.

76313777 is a deficient number, since it is larger than the sum of its proper divisors (2624323).

76313777 is a wasteful number, since it uses less digits than its factorization.

76313777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 469 counting only the distinct ones).

The product of its digits is 129654, while the sum is 41.

The square root of 76313777 is about 8735.7756953805. The cubic root of 76313777 is about 424.1644983676.

The spelling of 76313777 in words is "seventy-six million, three hundred thirteen thousand, seven hundred seventy-seven".