1807117954 has 16 divisors (see below), whose sum is σ = 2758652568. Its totient is φ = 887703552.

The previous prime is 1807117933. The next prime is 1807117967. The reversal of 1807117954 is 4597117081.

It can be written as a sum of positive squares in 4 ways, for example, as 1703790729 + 103327225 = 41277^2 + 10165^2 .

It is a super-2 number, since 2×1807117954² = 6531350599338292232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1807117954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7419 + ... + 60574.

Almost surely, 2^1807117954 is an apocalyptic number.

1807117954 is a deficient number, since it is larger than the sum of its proper divisors (951534614).

1807117954 is a wasteful number, since it uses less digits than its factorization.

1807117954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68229.

The product of its (nonzero) digits is 70560, while the sum is 43.

The square root of 1807117954 is about 42510.2099971289. The cubic root of 1807117954 is about 1218.0417284873.

The spelling of 1807117954 in words is "one billion, eight hundred seven million, one hundred seventeen thousand, nine hundred fifty-four".