76770828 has 30 divisors (see below), whose sum is σ = 200694956. Its totient is φ = 25590168.

The previous prime is 76770823. The next prime is 76770829. The reversal of 76770828 is 82807767.

It is not an unprimeable number, because it can be changed into a prime (76770823) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 118150 + ... + 118797.

Almost surely, 2^76770828 is an apocalyptic number.

It is an amenable number.

76770828 is an abundant number, since it is smaller than the sum of its proper divisors (123924128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76770828 is a wasteful number, since it uses less digits than its factorization.

76770828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236963 (or 236952 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 76770828 is about 8761.8963700788. The cubic root of 76770828 is about 425.0096016285.

The spelling of 76770828 in words is "seventy-six million, seven hundred seventy thousand, eight hundred twenty-eight".