77229468 has 18 divisors (see below), whose sum is σ = 195219024. Its totient is φ = 25743144.

The previous prime is 77229457. The next prime is 77229479. The reversal of 77229468 is 86492277.

It is an interprime number because it is at equal distance from previous prime (77229457) and next prime (77229479).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072596 + ... + 1072667.

Almost surely, 2^77229468 is an apocalyptic number.

It is an amenable number.

77229468 is an abundant number, since it is smaller than the sum of its proper divisors (117989556).

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

77229468 is a wasteful number, since it uses less digits than its factorization.

77229468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145273 (or 2145268 counting only the distinct ones).

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

The square root of 77229468 is about 8788.0298133313. The cubic root of 77229468 is about 425.8542780035.

The spelling of 77229468 in words is "seventy-seven million, two hundred twenty-nine thousand, four hundred sixty-eight".