76778950 has 24 divisors (see below), whose sum is σ = 147736080. Its totient is φ = 29652000.

The previous prime is 76778941. The next prime is 76778963. The reversal of 76778950 is 5987767.

It is a junction number, because it is equal to n+sod(n) for n = 76778894 and 76778903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25026 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (6155670).

Almost surely, 2^76778950 is an apocalyptic number.

76778950 is a deficient number, since it is larger than the sum of its proper divisors (70957130).

76778950 is a wasteful number, since it uses less digits than its factorization.

76778950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992 (or 52987 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 49.

The square root of 76778950 is about 8762.3598419604. The cubic root of 76778950 is about 425.0245891194.

The spelling of 76778950 in words is "seventy-six million, seven hundred seventy-eight thousand, nine hundred fifty".