789456377 has 4 divisors (see below), whose sum is σ = 801239376. Its totient is φ = 777673380.

The previous prime is 789456373. The next prime is 789456413. The reversal of 789456377 is 773654987.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773654987 = 7 ⋅110522141.

It is a cyclic number.

It is not a de Polignac number, because 789456377 - 2² = 789456373 is a prime.

It is a super-2 number, since 2×789456377² = 1246482742371932258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789456373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891399 + ... + 5891532.

It is an arithmetic number, because the mean of its divisors is an integer number (200309844).

Almost surely, 2^789456377 is an apocalyptic number.

It is an amenable number.

789456377 is a deficient number, since it is larger than the sum of its proper divisors (11782999).

789456377 is a wasteful number, since it uses less digits than its factorization.

789456377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782998.

The product of its digits is 8890560, while the sum is 56.

The square root of 789456377 is about 28097.2663616943. The cubic root of 789456377 is about 924.2214542787.

The spelling of 789456377 in words is "seven hundred eighty-nine million, four hundred fifty-six thousand, three hundred seventy-seven".