88778860426 has 4 divisors (see below), whose sum is σ = 133168290642. Its totient is φ = 44389430212.

The previous prime is 88778860399. The next prime is 88778860433. The reversal of 88778860426 is 62406887788.

It is a happy number.

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., 88550880625 + 227979801 = 297575^2 + 15099^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22194715105 + ... + 22194715108.

Almost surely, 2^88778860426 is an apocalyptic number.

88778860426 is a deficient number, since it is larger than the sum of its proper divisors (44389430216).

88778860426 is a wasteful number, since it uses less digits than its factorization.

88778860426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44389430215.

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 88778860426 in words is "eighty-eight billion, seven hundred seventy-eight million, eight hundred sixty thousand, four hundred twenty-six".