77867241 has 8 divisors (see below), whose sum is σ = 106355424. Its totient is φ = 50645280.

The previous prime is 77867221. The next prime is 77867267. The reversal of 77867241 is 14276877.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77867241 - 2⁶ = 77867177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77867193 and 77867202.

It is not an unprimeable number, because it can be changed into a prime (77867221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316411 + ... + 316656.

It is an arithmetic number, because the mean of its divisors is an integer number (13294428).

Almost surely, 2^77867241 is an apocalyptic number.

It is an amenable number.

77867241 is a deficient number, since it is larger than the sum of its proper divisors (28488183).

77867241 is a wasteful number, since it uses less digits than its factorization.

77867241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633111.

The product of its digits is 131712, while the sum is 42.

The square root of 77867241 is about 8824.2416671349. The cubic root of 77867241 is about 427.0233228636.

The spelling of 77867241 in words is "seventy-seven million, eight hundred sixty-seven thousand, two hundred forty-one".