80889554 has 16 divisors (see below), whose sum is σ = 124775640. Its totient is φ = 39312000.

The previous prime is 80889547. The next prime is 80889577. The reversal of 80889554 is 45598808.

It can be written as a sum of positive squares in 4 ways, for example, as 77176225 + 3713329 = 8785^2 + 1927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80889499 and 80889508.

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, 8054 + ... + 15054.

Almost surely, 2^80889554 is an apocalyptic number.

80889554 is a deficient number, since it is larger than the sum of its proper divisors (43886086).

80889554 is a wasteful number, since it uses less digits than its factorization.

80889554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 80889554 is about 8993.8620180654. The cubic root of 80889554 is about 432.4781264624.

The spelling of 80889554 in words is "eighty million, eight hundred eighty-nine thousand, five hundred fifty-four".