88972057 has 4 divisors (see below), whose sum is σ = 89538916. Its totient is φ = 88405200.

The previous prime is 88972043. The next prime is 88972097. The reversal of 88972057 is 75027988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33454656 + 55517401 = 5784^2 + 7451^2 .

It is a cyclic number.

It is not a de Polignac number, because 88972057 - 2⁷ = 88971929 is a prime.

It is a super-2 number, since 2×88972057² = 15832053853622498, which contains 22 as substring.

It is the 9433-rd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88971998 and 88972016.

It is not an unprimeable number, because it can be changed into a prime (88972007) by changing a digit.

It is a nontrivial repunit in base 9432.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283194 + ... + 283507.

It is an arithmetic number, because the mean of its divisors is an integer number (22384729).

Almost surely, 2^88972057 is an apocalyptic number.

It is an amenable number.

88972057 is a deficient number, since it is larger than the sum of its proper divisors (566859).

88972057 is a wasteful number, since it uses less digits than its factorization.

88972057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566858.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 88972057 is about 9432.5000397562. The cubic root of 88972057 is about 446.4277786854.

The spelling of 88972057 in words is "eighty-eight million, nine hundred seventy-two thousand, fifty-seven".