77466213 has 48 divisors (see below), whose sum is σ = 128646336. Its totient is φ = 46189440.

The previous prime is 77466187. The next prime is 77466227. The reversal of 77466213 is 31266477.

It is not a de Polignac number, because 77466213 - 2⁶ = 77466149 is a prime.

It is a super-2 number, since 2×77466213² = 12002028313122738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77466253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194931 + ... + 195327.

It is an arithmetic number, because the mean of its divisors is an integer number (2680132).

Almost surely, 2^77466213 is an apocalyptic number.

77466213 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

77466213 is a deficient number, since it is larger than the sum of its proper divisors (51180123).

77466213 is a wasteful number, since it uses less digits than its factorization.

77466213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 484 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 77466213 is about 8801.4892489851. The cubic root of 77466213 is about 426.2889826549.

The spelling of 77466213 in words is "seventy-seven million, four hundred sixty-six thousand, two hundred thirteen".