77245383 has 4 divisors (see below), whose sum is σ = 102993848. Its totient is φ = 51496920.

The previous prime is 77245379. The next prime is 77245387. The reversal of 77245383 is 38354277.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (77245379) and next prime (77245387).

It is not a de Polignac number, because 77245383 - 2² = 77245379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77245387) 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, 12874228 + ... + 12874233.

It is an arithmetic number, because the mean of its divisors is an integer number (25748462).

Almost surely, 2^77245383 is an apocalyptic number.

77245383 is a deficient number, since it is larger than the sum of its proper divisors (25748465).

77245383 is a wasteful number, since it uses less digits than its factorization.

77245383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25748464.

The product of its digits is 141120, while the sum is 39.

The square root of 77245383 is about 8788.9352597456. The cubic root of 77245383 is about 425.8835285194.

The spelling of 77245383 in words is "seventy-seven million, two hundred forty-five thousand, three hundred eighty-three".