80154477 has 12 divisors (see below), whose sum is σ = 124684924. Its totient is φ = 49325760.

The previous prime is 80154433. The next prime is 80154491. The reversal of 80154477 is 77445108.

It can be written as a sum of positive squares in 2 ways, for example, as 24890121 + 55264356 = 4989^2 + 7434^2 .

It is not a de Polignac number, because 80154477 - 2⁶ = 80154413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80154077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342424 + ... + 342657.

Almost surely, 2^80154477 is an apocalyptic number.

It is an amenable number.

80154477 is a deficient number, since it is larger than the sum of its proper divisors (44530447).

80154477 is a wasteful number, since it uses less digits than its factorization.

80154477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685100 (or 685097 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 80154477 is about 8952.9032721235. The cubic root of 80154477 is about 431.1641018582.

It can be divided in two parts, 801 and 54477, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 80154477 in words is "eighty million, one hundred fifty-four thousand, four hundred seventy-seven".