76854077 has 4 divisors (see below), whose sum is σ = 76982556. Its totient is φ = 76725600.

The previous prime is 76854061. The next prime is 76854079. The reversal of 76854077 is 77045867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77045867 = 61 ⋅1263047.

It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 49928356 = 5189^2 + 7066^2 .

It is a cyclic number.

It is not a de Polignac number, because 76854077 - 2⁴ = 76854061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76854079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63338 + ... + 64539.

It is an arithmetic number, because the mean of its divisors is an integer number (19245639).

Almost surely, 2^76854077 is an apocalyptic number.

It is an amenable number.

76854077 is a deficient number, since it is larger than the sum of its proper divisors (128479).

76854077 is a wasteful number, since it uses less digits than its factorization.

76854077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128478.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 76854077 is about 8766.6457097341. The cubic root of 76854077 is about 425.1631705638.

It can be divided in two parts, 768 and 54077, that added together give a palindrome (54845).

The spelling of 76854077 in words is "seventy-six million, eight hundred fifty-four thousand, seventy-seven".