307783540977 has 16 divisors (see below), whose sum is σ = 447697099200. Its totient is φ = 186530500800.

The previous prime is 307783540963. The next prime is 307783541011. The reversal of 307783540977 is 779045387703.

It is not a de Polignac number, because 307783540977 - 2¹⁰ = 307783539953 is a prime.

It is a super-2 number, since 2×307783540977² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 307783540977.

It is not an unprimeable number, because it can be changed into a prime (307783540177) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1414827 + ... + 1617807.

It is an arithmetic number, because the mean of its divisors is an integer number (27981068700).

Almost surely, 2^307783540977 is an apocalyptic number.

It is an amenable number.

307783540977 is a deficient number, since it is larger than the sum of its proper divisors (139913558223).

307783540977 is a wasteful number, since it uses less digits than its factorization.

307783540977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248944.

The product of its (nonzero) digits is 31116960, while the sum is 60.

The spelling of 307783540977 in words is "three hundred seven billion, seven hundred eighty-three million, five hundred forty thousand, nine hundred seventy-seven".