89402780052 has 48 divisors (see below), whose sum is σ = 233452542400. Its totient is φ = 29586526560.

The previous prime is 89402780029. The next prime is 89402780059. The reversal of 89402780052 is 25008720498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89402780059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962699 + ... + 2992722.

Almost surely, 2^89402780052 is an apocalyptic number.

It is an amenable number.

89402780052 is an abundant number, since it is smaller than the sum of its proper divisors (144049762348).

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

89402780052 is a wasteful number, since it uses less digits than its factorization.

89402780052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955573 (or 5955565 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 89402780052 in words is "eighty-nine billion, four hundred two million, seven hundred eighty thousand, fifty-two".