1406880079 has 4 divisors (see below), whose sum is σ = 1534778280. Its totient is φ = 1278981880.

The previous prime is 1406880043. The next prime is 1406880091. The reversal of 1406880079 is 9700886041.

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

It is not a de Polignac number, because 1406880079 - 2⁷ = 1406879951 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 (1406880019) 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, 63949084 + ... + 63949105.

It is an arithmetic number, because the mean of its divisors is an integer number (383694570).

Almost surely, 2^1406880079 is an apocalyptic number.

1406880079 is a deficient number, since it is larger than the sum of its proper divisors (127898201).

1406880079 is a wasteful number, since it uses less digits than its factorization.

1406880079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127898200.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1406880079 is about 37508.4001125081. The cubic root of 1406880079 is about 1120.5184884117.

The spelling of 1406880079 in words is "one billion, four hundred six million, eight hundred eighty thousand, seventy-nine".