487896761 has 16 divisors (see below), whose sum is σ = 550682496. Its totient is φ = 428400000.

The previous prime is 487896757. The next prime is 487896883. The reversal of 487896761 is 167698784.

It is a cyclic number.

It is not a de Polignac number, because 487896761 - 2² = 487896757 is a prime.

It is a super-2 number, since 2×487896761² = 476086498788582242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487896697 and 487896706.

It is not an unprimeable number, because it can be changed into a prime (487896961) 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, 40196 + ... + 50906.

It is an arithmetic number, because the mean of its divisors is an integer number (34417656).

Almost surely, 2^487896761 is an apocalyptic number.

487896761 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

487896761 is a deficient number, since it is larger than the sum of its proper divisors (62785735).

487896761 is a wasteful number, since it uses less digits than its factorization.

487896761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864.

The product of its digits is 4064256, while the sum is 56.

The square root of 487896761 is about 22088.3852058044. The cubic root of 487896761 is about 787.2439135747.

The spelling of 487896761 in words is "four hundred eighty-seven million, eight hundred ninety-six thousand, seven hundred sixty-one".