88801978 has 4 divisors (see below), whose sum is σ = 133202970. Its totient is φ = 44400988.

The previous prime is 88801963. The next prime is 88802017. The reversal of 88801978 is 87910888.

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

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 6953769 = 9047^2 + 2637^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22200493 + ... + 22200496.

Almost surely, 2^88801978 is an apocalyptic number.

88801978 is a deficient number, since it is larger than the sum of its proper divisors (44400992).

88801978 is a wasteful number, since it uses less digits than its factorization.

88801978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44400991.

The product of its (nonzero) digits is 258048, while the sum is 49.

The square root of 88801978 is about 9423.4801427074. The cubic root of 88801978 is about 446.1431334252.

The spelling of 88801978 in words is "eighty-eight million, eight hundred one thousand, nine hundred seventy-eight".