80975154 has 16 divisors (see below), whose sum is σ = 174408192. Its totient is φ = 24915408.

The previous prime is 80975113. The next prime is 80975159. The reversal of 80975154 is 45157908.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (80975159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518994 + ... + 519149.

It is an arithmetic number, because the mean of its divisors is an integer number (10900512).

Almost surely, 2^80975154 is an apocalyptic number.

80975154 is an abundant number, since it is smaller than the sum of its proper divisors (93433038).

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

80975154 is a wasteful number, since it uses less digits than its factorization.

80975154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038161.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 80975154 is about 8998.6195607993. The cubic root of 80975154 is about 432.6306268979.

The spelling of 80975154 in words is "eighty million, nine hundred seventy-five thousand, one hundred fifty-four".