461520787 has 8 divisors (see below), whose sum is σ = 568025696. Its totient is φ = 365159232.

The previous prime is 461520769. The next prime is 461520791. The reversal of 461520787 is 787025164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461520787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461520797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535738 + ... + 2535919.

It is an arithmetic number, because the mean of its divisors is an integer number (71003212).

Almost surely, 2^461520787 is an apocalyptic number.

461520787 is a deficient number, since it is larger than the sum of its proper divisors (106504909).

461520787 is a wasteful number, since it uses less digits than its factorization.

461520787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071677.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 461520787 is about 21483.0348647485. The cubic root of 461520787 is about 772.7940248498.

The spelling of 461520787 in words is "four hundred sixty-one million, five hundred twenty thousand, seven hundred eighty-seven".