80356401 has 16 divisors (see below), whose sum is σ = 119257920. Its totient is φ = 53475840.

The previous prime is 80356363. The next prime is 80356439. The reversal of 80356401 is 10465308.

It is an interprime number because it is at equal distance from previous prime (80356363) and next prime (80356439).

It is not a de Polignac number, because 80356401 - 2¹⁰ = 80355377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80366401) 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, 14986 + ... + 19628.

It is an arithmetic number, because the mean of its divisors is an integer number (7453620).

Almost surely, 2^80356401 is an apocalyptic number.

It is an amenable number.

80356401 is a deficient number, since it is larger than the sum of its proper divisors (38901519).

80356401 is a wasteful number, since it uses less digits than its factorization.

80356401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293 (or 5287 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 80356401 is about 8964.1731910980. The cubic root of 80356401 is about 431.5258590415.

The spelling of 80356401 in words is "eighty million, three hundred fifty-six thousand, four hundred one".