68422977 has 48 divisors (see below), whose sum is σ = 123776640. Its totient is φ = 35513856.

The previous prime is 68422957. The next prime is 68422987. The reversal of 68422977 is 77922486.

It is not a de Polignac number, because 68422977 - 2¹⁵ = 68390209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68422957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29958 + ... + 32160.

It is an arithmetic number, because the mean of its divisors is an integer number (2578680).

Almost surely, 2^68422977 is an apocalyptic number.

It is an amenable number.

68422977 is a deficient number, since it is larger than the sum of its proper divisors (55353663).

68422977 is a wasteful number, since it uses less digits than its factorization.

68422977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2259 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 68422977 is about 8271.8182402662. The cubic root of 68422977 is about 409.0100586754.

The spelling of 68422977 in words is "sixty-eight million, four hundred twenty-two thousand, nine hundred seventy-seven".