89660701428 has 24 divisors (see below), whose sum is σ = 209221548480. Its totient is φ = 29885008320.

The previous prime is 89660701423. The next prime is 89660701433. The reversal of 89660701428 is 82410706698.

It is an interprime number because it is at equal distance from previous prime (89660701423) and next prime (89660701433).

It is a super-2 number, since 2×89660701428² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89660701423) 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, 32008 + ... + 424671.

It is an arithmetic number, because the mean of its divisors is an integer number (8717564520).

Almost surely, 2^89660701428 is an apocalyptic number.

It is an amenable number.

89660701428 is an abundant number, since it is smaller than the sum of its proper divisors (119560847052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89660701428 is a wasteful number, since it uses less digits than its factorization.

89660701428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473047 (or 473045 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 89660701428 in words is "eighty-nine billion, six hundred sixty million, seven hundred one thousand, four hundred twenty-eight".