76772867 has 4 divisors (see below), whose sum is σ = 81288936. Its totient is φ = 72256800.

The previous prime is 76772849. The next prime is 76772903. The reversal of 76772867 is 76827767.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 76772867 - 2⁸ = 76772611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76772167) 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, 2258009 + ... + 2258042.

It is an arithmetic number, because the mean of its divisors is an integer number (20322234).

Almost surely, 2^76772867 is an apocalyptic number.

76772867 is a deficient number, since it is larger than the sum of its proper divisors (4516069).

76772867 is a wasteful number, since it uses less digits than its factorization.

76772867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516068.

The product of its digits is 1382976, while the sum is 50.

The square root of 76772867 is about 8762.0127253959. The cubic root of 76772867 is about 425.0133642856.

The spelling of 76772867 in words is "seventy-six million, seven hundred seventy-two thousand, eight hundred sixty-seven".