95978421 has 24 divisors (see below), whose sum is σ = 172845504. Its totient is φ = 49858560.

The previous prime is 95978419. The next prime is 95978479. The reversal of 95978421 is 12487959.

It is not a de Polignac number, because 95978421 - 2¹ = 95978419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95978221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68556 + ... + 69941.

It is an arithmetic number, because the mean of its divisors is an integer number (7201896).

Almost surely, 2^95978421 is an apocalyptic number.

It is an amenable number.

95978421 is a deficient number, since it is larger than the sum of its proper divisors (76867083).

95978421 is a wasteful number, since it uses less digits than its factorization.

95978421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138521 (or 138518 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 95978421 is about 9796.8577105111. The cubic root of 95978421 is about 457.8513864106.

It can be divided in two parts, 959784 and 21, that added together give a triangular number (959805 = T₁₃₈₅).

The spelling of 95978421 in words is "ninety-five million, nine hundred seventy-eight thousand, four hundred twenty-one".