88078481 has 4 divisors (see below), whose sum is σ = 91115700. Its totient is φ = 85041264.

The previous prime is 88078469. The next prime is 88078483. The reversal of 88078481 is 18487088.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46036225 + 42042256 = 6785^2 + 6484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88078481 is a prime.

It is a super-2 number, since 2×88078481² = 15515637630534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88078483) 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, 1518566 + ... + 1518623.

It is an arithmetic number, because the mean of its divisors is an integer number (22778925).

Almost surely, 2^88078481 is an apocalyptic number.

It is an amenable number.

88078481 is a deficient number, since it is larger than the sum of its proper divisors (3037219).

88078481 is a wasteful number, since it uses less digits than its factorization.

88078481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037218.

The product of its (nonzero) digits is 114688, while the sum is 44.

The square root of 88078481 is about 9385.0136387754. The cubic root of 88078481 is about 444.9282062354.

The spelling of 88078481 in words is "eighty-eight million, seventy-eight thousand, four hundred eighty-one".