88791540 has 24 divisors (see below), whose sum is σ = 248616480. Its totient is φ = 23677728.

The previous prime is 88791511. The next prime is 88791551. The reversal of 88791540 is 4519788.

It is a junction number, because it is equal to n+sod(n) for n = 88791492 and 88791501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739870 + ... + 739989.

It is an arithmetic number, because the mean of its divisors is an integer number (10359020).

Almost surely, 2^88791540 is an apocalyptic number.

It is an amenable number.

88791540 is an abundant number, since it is smaller than the sum of its proper divisors (159824940).

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

88791540 is a wasteful number, since it uses less digits than its factorization.

88791540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479871 (or 1479869 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 88791540 is about 9422.9262970693. The cubic root of 88791540 is about 446.1256524914.

The spelling of 88791540 in words is "eighty-eight million, seven hundred ninety-one thousand, five hundred forty".