88971998 has 16 divisors (see below), whose sum is σ = 135508464. Its totient is φ = 43807680.

The previous prime is 88971991. The next prime is 88972007. The reversal of 88971998 is 89917988.

It is a super-2 number, since 2×88971998² = 15832032856224008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88971991) 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, 37586 + ... + 39882.

It is an arithmetic number, because the mean of its divisors is an integer number (8469279).

Almost surely, 2^88971998 is an apocalyptic number.

88971998 is a deficient number, since it is larger than the sum of its proper divisors (46536466).

88971998 is a wasteful number, since it uses less digits than its factorization.

88971998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587.

The product of its digits is 2612736, while the sum is 59.

The square root of 88971998 is about 9432.4969122709. The cubic root of 88971998 is about 446.4276800055.

The spelling of 88971998 in words is "eighty-eight million, nine hundred seventy-one thousand, nine hundred ninety-eight".