88947477 has 20 divisors (see below), whose sum is σ = 133448480. Its totient is φ = 59285196.

The previous prime is 88947457. The next prime is 88947479. The reversal of 88947477 is 77474988.

88947477 is a `hidden beast` number, since 88 + 94 + 7 + 477 = 666.

It is not a de Polignac number, because 88947477 - 2¹¹ = 88945429 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 (88947479) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17424 + ... + 21942.

It is an arithmetic number, because the mean of its divisors is an integer number (6672424).

Almost surely, 2^88947477 is an apocalyptic number.

It is an amenable number.

88947477 is a deficient number, since it is larger than the sum of its proper divisors (44501003).

88947477 is an frugal number, since it uses more digits than its factorization.

88947477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4522 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 88947477 is about 9431.1970078034. The cubic root of 88947477 is about 446.3866638836.

The spelling of 88947477 in words is "eighty-eight million, nine hundred forty-seven thousand, four hundred seventy-seven".