487540977 has 96 divisors (see below), whose sum is σ = 881802240. Its totient is φ = 232657920.

The previous prime is 487540973. The next prime is 487540979. The reversal of 487540977 is 779045784.

It is not a de Polignac number, because 487540977 - 2² = 487540973 is a prime.

It is a super-2 number, since 2×487540977² = 475392408508229058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (487540973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4472799 + ... + 4472907.

It is an arithmetic number, because the mean of its divisors is an integer number (9185440).

Almost surely, 2^487540977 is an apocalyptic number.

It is an amenable number.

487540977 is a deficient number, since it is larger than the sum of its proper divisors (394261263).

487540977 is a wasteful number, since it uses less digits than its factorization.

487540977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 487540977 is about 22080.3300926413. The cubic root of 487540977 is about 787.0525090805.

The spelling of 487540977 in words is "four hundred eighty-seven million, five hundred forty thousand, nine hundred seventy-seven".