1434780077 has 4 divisors (see below), whose sum is σ = 1435316736. Its totient is φ = 1434243420.

The previous prime is 1434780047. The next prime is 1434780091. The reversal of 1434780077 is 7700874341.

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: 7700874341 = 67 ⋅114938423.

It is a cyclic number.

It is not a de Polignac number, because 1434780077 - 2¹⁸ = 1434517933 is a prime.

It is a super-2 number, since 2×1434780077² = 4117187738712251858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434780047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264299 + ... + 269672.

It is an arithmetic number, because the mean of its divisors is an integer number (358829184).

Almost surely, 2^1434780077 is an apocalyptic number.

It is an amenable number.

1434780077 is a deficient number, since it is larger than the sum of its proper divisors (536659).

1434780077 is an equidigital number, since it uses as much as digits as its factorization.

1434780077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536658.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 1434780077 is about 37878.4909546302. The cubic root of 1434780077 is about 1127.8771004898.

The spelling of 1434780077 in words is "one billion, four hundred thirty-four million, seven hundred eighty thousand, seventy-seven".