88649478 has 80 divisors (see below), whose sum is σ = 212224320. Its totient is φ = 27577584.

The previous prime is 88649461. The next prime is 88649479. The reversal of 88649478 is 87494688.

88649478 is a `hidden beast` number, since 8 + 86 + 494 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88649479) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255301 + ... + 255647.

It is an arithmetic number, because the mean of its divisors is an integer number (2652804).

Almost surely, 2^88649478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88649478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106112160).

88649478 is an abundant number, since it is smaller than the sum of its proper divisors (123574842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88649478 is a wasteful number, since it uses less digits than its factorization.

88649478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 454 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 88649478 is about 9415.3851753393. The cubic root of 88649478 is about 445.8875992835.

The spelling of 88649478 in words is "eighty-eight million, six hundred forty-nine thousand, four hundred seventy-eight".