1479719985 has 32 divisors (see below), whose sum is σ = 2415909888. Its totient is φ = 773111040.

The previous prime is 1479719977. The next prime is 1479719987. The reversal of 1479719985 is 5899179741.

1479719985 = T₇₄₄₆ + T₇₄₄₇ + ... + T₇₄₉₈.

It is not a de Polignac number, because 1479719985 - 2³ = 1479719977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1479719987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810784 + ... + 812606.

It is an arithmetic number, because the mean of its divisors is an integer number (75497184).

Almost surely, 2^1479719985 is an apocalyptic number.

1479719985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1479719985 is a deficient number, since it is larger than the sum of its proper divisors (936189903).

1479719985 is a wasteful number, since it uses less digits than its factorization.

1479719985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905.

The product of its digits is 5715360, while the sum is 60.

The square root of 1479719985 is about 38467.1286295195. The cubic root of 1479719985 is about 1139.5319677689.

The spelling of 1479719985 in words is "one billion, four hundred seventy-nine million, seven hundred nineteen thousand, nine hundred eighty-five".