98780253 has 16 divisors (see below), whose sum is σ = 154733376. Its totient is φ = 55261440.

The previous prime is 98780249. The next prime is 98780261. The reversal of 98780253 is 35208789.

It is not a de Polignac number, because 98780253 - 2² = 98780249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98780233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114700 + ... + 115557.

It is an arithmetic number, because the mean of its divisors is an integer number (9670836).

Almost surely, 2^98780253 is an apocalyptic number.

It is an amenable number.

98780253 is a deficient number, since it is larger than the sum of its proper divisors (55953123).

98780253 is a wasteful number, since it uses less digits than its factorization.

98780253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230284.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 98780253 is about 9938.8255342369. The cubic root of 98780253 is about 462.2639699483.

The spelling of 98780253 in words is "ninety-eight million, seven hundred eighty thousand, two hundred fifty-three".