2472509978 has 16 divisors (see below), whose sum is σ = 3865860384. Its totient is φ = 1184887440.

The previous prime is 2472509969. The next prime is 2472509981. The reversal of 2472509978 is 8799052742.

It is a super-2 number, since 2×2472509978² = 12226611182619120968, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244388 + ... + 254303.

It is an arithmetic number, because the mean of its divisors is an integer number (241616274).

Almost surely, 2^2472509978 is an apocalyptic number.

2472509978 is a deficient number, since it is larger than the sum of its proper divisors (1393350406).

2472509978 is a wasteful number, since it uses less digits than its factorization.

2472509978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498797.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 2472509978 is about 49724.3398950655. The cubic root of 2472509978 is about 1352.2158357406.

The spelling of 2472509978 in words is "two billion, four hundred seventy-two million, five hundred nine thousand, nine hundred seventy-eight".