9876532477 has 4 divisors (see below), whose sum is σ = 11287465696. Its totient is φ = 8465599260.

The previous prime is 9876532469. The next prime is 9876532489. The reversal of 9876532477 is 7742356789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7742356789 = 25339 ⋅305551.

It is a cyclic number.

It is not a de Polignac number, because 9876532477 - 2³ = 9876532469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9876532777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705466599 + ... + 705466612.

It is an arithmetic number, because the mean of its divisors is an integer number (2821866424).

Almost surely, 2^9876532477 is an apocalyptic number.

It is an amenable number.

9876532477 is a deficient number, since it is larger than the sum of its proper divisors (1410933219).

9876532477 is a wasteful number, since it uses less digits than its factorization.

9876532477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410933218.

The product of its digits is 17781120, while the sum is 58.

The square root of 9876532477 is about 99380.7450012325. The cubic root of 9876532477 is about 2145.5311886041.

The spelling of 9876532477 in words is "nine billion, eight hundred seventy-six million, five hundred thirty-two thousand, four hundred seventy-seven".