97780463 has 12 divisors (see below), whose sum is σ = 107730000. Its totient is φ = 88682880.

The previous prime is 97780457. The next prime is 97780513. The reversal of 97780463 is 36408779.

It is not a de Polignac number, because 97780463 - 2¹⁸ = 97518319 is a prime.

It is a super-2 number, since 2×97780463² = 19122037888988738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97780763) 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, 77663 + ... + 78911.

It is an arithmetic number, because the mean of its divisors is an integer number (8977500).

Almost surely, 2^97780463 is an apocalyptic number.

97780463 is a deficient number, since it is larger than the sum of its proper divisors (9949537).

97780463 is a wasteful number, since it uses less digits than its factorization.

97780463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 97780463 is about 9888.4004267627. The cubic root of 97780463 is about 460.6990992399.

The spelling of 97780463 in words is "ninety-seven million, seven hundred eighty thousand, four hundred sixty-three".