89778351 has 8 divisors (see below), whose sum is σ = 128912560. Its totient is φ = 55248192.

The previous prime is 89778347. The next prime is 89778371. The reversal of 89778351 is 15387798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89778351 - 2² = 89778347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89778351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89778331) 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, 1150966 + ... + 1151043.

It is an arithmetic number, because the mean of its divisors is an integer number (16114070).

Almost surely, 2^89778351 is an apocalyptic number.

89778351 is a deficient number, since it is larger than the sum of its proper divisors (39134209).

89778351 is a wasteful number, since it uses less digits than its factorization.

89778351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302025.

The product of its digits is 423360, while the sum is 48.

The square root of 89778351 is about 9475.1438511508. The cubic root of 89778351 is about 447.7722837597.

The spelling of 89778351 in words is "eighty-nine million, seven hundred seventy-eight thousand, three hundred fifty-one".