97880401 has 4 divisors (see below), whose sum is σ = 98001904. Its totient is φ = 97758900.

The previous prime is 97880389. The next prime is 97880411. The reversal of 97880401 is 10408879.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97880401 - 2¹⁷ = 97749329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97880411) 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 3 ways as a sum of consecutive naturals, for example, 59535 + ... + 61156.

It is an arithmetic number, because the mean of its divisors is an integer number (24500476).

Almost surely, 2^97880401 is an apocalyptic number.

It is an amenable number.

97880401 is a deficient number, since it is larger than the sum of its proper divisors (121503).

97880401 is a wasteful number, since it uses less digits than its factorization.

97880401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121502.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 97880401 is about 9893.4524307746. The cubic root of 97880401 is about 460.8560006232.

The spelling of 97880401 in words is "ninety-seven million, eight hundred eighty thousand, four hundred one".