76025878477 has 2 divisors, whose sum is σ = 76025878478. Its totient is φ = 76025878476.

The previous prime is 76025878457. The next prime is 76025878507. The reversal of 76025878477 is 77487852067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52300945636 + 23724932841 = 228694^2 + 154029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76025878477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76025878457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38012939238 + 38012939239.

It is an arithmetic number, because the mean of its divisors is an integer number (38012939239).

Almost surely, 2^76025878477 is an apocalyptic number.

It is an amenable number.

76025878477 is a deficient number, since it is larger than the sum of its proper divisors (1).

76025878477 is an equidigital number, since it uses as much as digits as its factorization.

76025878477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36879360, while the sum is 61.

The spelling of 76025878477 in words is "seventy-six billion, twenty-five million, eight hundred seventy-eight thousand, four hundred seventy-seven".