88775730 has 64 divisors (see below), whose sum is σ = 237790080. Its totient is φ = 23568192.

The previous prime is 88775719. The next prime is 88775741. The reversal of 88775730 is 3757788.

88775730 is a `hidden beast` number, since 8 + 8 + 77 + 573 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (88775719) and next prime (88775741).

It is a super-2 number, since 2×88775730² = 15762260474065800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74197 + ... + 75383.

It is an arithmetic number, because the mean of its divisors is an integer number (3715470).

Almost surely, 2^88775730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88775730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118895040).

88775730 is an abundant number, since it is smaller than the sum of its proper divisors (149014350).

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

88775730 is a wasteful number, since it uses less digits than its factorization.

88775730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 88775730 is about 9422.0873483533. The cubic root of 88775730 is about 446.0991722463.

The spelling of 88775730 in words is "eighty-eight million, seven hundred seventy-five thousand, seven hundred thirty".