88571421 has 8 divisors (see below), whose sum is σ = 131216960. Its totient is φ = 59047596.

The previous prime is 88571419. The next prime is 88571473. The reversal of 88571421 is 12417588.

88571421 is a `hidden beast` number, since 88 + 571 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 88571421 - 2¹ = 88571419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88571401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1640185 + ... + 1640238.

It is an arithmetic number, because the mean of its divisors is an integer number (16402120).

Almost surely, 2^88571421 is an apocalyptic number.

It is an amenable number.

88571421 is a deficient number, since it is larger than the sum of its proper divisors (42645539).

88571421 is a wasteful number, since it uses less digits than its factorization.

88571421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280432 (or 3280426 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 88571421 is about 9411.2390788886. The cubic root of 88571421 is about 445.7566909411.

The spelling of 88571421 in words is "eighty-eight million, five hundred seventy-one thousand, four hundred twenty-one".