98078545 has 8 divisors (see below), whose sum is σ = 119624040. Its totient is φ = 77176320.

The previous prime is 98078537. The next prime is 98078549. The reversal of 98078545 is 54587089.

It can be written as a sum of positive squares in 4 ways, for example, as 543169 + 97535376 = 737^2 + 9876^2 .

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

It is not a de Polignac number, because 98078545 - 2³ = 98078537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98078495 and 98078504.

It is not an unprimeable number, because it can be changed into a prime (98078549) 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, 160480 + ... + 161089.

It is an arithmetic number, because the mean of its divisors is an integer number (14953005).

Almost surely, 2^98078545 is an apocalyptic number.

It is an amenable number.

98078545 is a deficient number, since it is larger than the sum of its proper divisors (21545495).

98078545 is a wasteful number, since it uses less digits than its factorization.

98078545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321635.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 98078545 is about 9903.4612636189. The cubic root of 98078545 is about 461.1667686670.

The spelling of 98078545 in words is "ninety-eight million, seventy-eight thousand, five hundred forty-five".