77477230 has 8 divisors (see below), whose sum is σ = 139459032. Its totient is φ = 30990888.

The previous prime is 77477227. The next prime is 77477233. The reversal of 77477230 is 3277477.

It is an interprime number because it is at equal distance from previous prime (77477227) and next prime (77477233).

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

It is a self number, because there is not a number n which added to its sum of digits gives 77477230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77477233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3873852 + ... + 3873871.

It is an arithmetic number, because the mean of its divisors is an integer number (17432379).

Almost surely, 2^77477230 is an apocalyptic number.

77477230 is a deficient number, since it is larger than the sum of its proper divisors (61981802).

77477230 is a wasteful number, since it uses less digits than its factorization.

77477230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747730.

The product of its (nonzero) digits is 57624, while the sum is 37.

The square root of 77477230 is about 8802.1150867277. The cubic root of 77477230 is about 426.3091901876.

The spelling of 77477230 in words is "seventy-seven million, four hundred seventy-seven thousand, two hundred thirty".