94877421 has 4 divisors (see below), whose sum is σ = 126503232. Its totient is φ = 63251612.

The previous prime is 94877417. The next prime is 94877423. The reversal of 94877421 is 12477849.

It is a happy number.

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 94877421 - 2² = 94877417 is a prime.

It is a super-2 number, since 2×94877421² = 18003450031222482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94877423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15812901 + ... + 15812906.

It is an arithmetic number, because the mean of its divisors is an integer number (31625808).

Almost surely, 2^94877421 is an apocalyptic number.

It is an amenable number.

94877421 is a deficient number, since it is larger than the sum of its proper divisors (31625811).

94877421 is a wasteful number, since it uses less digits than its factorization.

94877421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31625810.

The product of its digits is 112896, while the sum is 42.

The square root of 94877421 is about 9740.5041450635. The cubic root of 94877421 is about 456.0939278273.

The spelling of 94877421 in words is "ninety-four million, eight hundred seventy-seven thousand, four hundred twenty-one".