1459788978 has 32 divisors (see below), whose sum is σ = 3068793216. Its totient is φ = 462036608.

The previous prime is 1459788971. The next prime is 1459789007. The reversal of 1459788978 is 8798879541.

It is not an unprimeable number, because it can be changed into a prime (1459788971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19701 + ... + 57512.

It is an arithmetic number, because the mean of its divisors is an integer number (95899788).

Almost surely, 2^1459788978 is an apocalyptic number.

1459788978 is an abundant number, since it is smaller than the sum of its proper divisors (1609004238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1459788978 is a wasteful number, since it uses less digits than its factorization.

1459788978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77378.

The product of its digits is 40642560, while the sum is 66.

The square root of 1459788978 is about 38207.1849002252. The cubic root of 1459788978 is about 1134.3925353967.

The spelling of 1459788978 in words is "one billion, four hundred fifty-nine million, seven hundred eighty-eight thousand, nine hundred seventy-eight".