65477632487 has 8 divisors (see below), whose sum is σ = 65620556592. Its totient is φ = 65334859200.

The previous prime is 65477632469. The next prime is 65477632523. The reversal of 65477632487 is 78423677456.

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

It is a cyclic number.

It is not a de Polignac number, because 65477632487 - 2³⁴ = 48297763303 is a prime.

It is a super-2 number, since 2×65477632487² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65477632427) 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, 854393 + ... + 927869.

It is an arithmetic number, because the mean of its divisors is an integer number (8202569574).

Almost surely, 2^65477632487 is an apocalyptic number.

65477632487 is a deficient number, since it is larger than the sum of its proper divisors (142924105).

65477632487 is a wasteful number, since it uses less digits than its factorization.

65477632487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75409.

The product of its digits is 47416320, while the sum is 59.

The spelling of 65477632487 in words is "sixty-five billion, four hundred seventy-seven million, six hundred thirty-two thousand, four hundred eighty-seven".