98515377090 has 256 divisors, whose sum is σ = 292956733440. Its totient is φ = 23394251520.

The previous prime is 98515377089. The next prime is 98515377097. The reversal of 98515377090 is 9077351589.

98515377090 is a `hidden beast` number, since 9 + 8 + 515 + 37 + 7 + 0 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (98515377097) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 39932037 + ... + 39934503.

It is an arithmetic number, because the mean of its divisors is an integer number (1144362240).

Almost surely, 2^98515377090 is an apocalyptic number.

98515377090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 98515377090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146478366720).

98515377090 is an abundant number, since it is smaller than the sum of its proper divisors (194441356350).

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

98515377090 is a wasteful number, since it uses less digits than its factorization.

98515377090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 98515377090 in words is "ninety-eight billion, five hundred fifteen million, three hundred seventy-seven thousand, ninety".