89748751 has 12 divisors (see below), whose sum is σ = 94319112. Its totient is φ = 85374000.

The previous prime is 89748739. The next prime is 89748779. The reversal of 89748751 is 15784798.

It is not a de Polignac number, because 89748751 - 2⁵ = 89748719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89748695 and 89748704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89748251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57856 + ... + 59386.

It is an arithmetic number, because the mean of its divisors is an integer number (7859926).

Almost surely, 2^89748751 is an apocalyptic number.

89748751 is a deficient number, since it is larger than the sum of its proper divisors (4570361).

89748751 is a wasteful number, since it uses less digits than its factorization.

89748751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1623 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The square root of 89748751 is about 9473.5817408201. The cubic root of 89748751 is about 447.7230680473.

The spelling of 89748751 in words is "eighty-nine million, seven hundred forty-eight thousand, seven hundred fifty-one".