97278950475 has 36 divisors (see below), whose sum is σ = 199128470736. Its totient is φ = 44470376640.

The previous prime is 97278950467. The next prime is 97278950533. The reversal of 97278950475 is 57405987279.

97278950475 is a `hidden beast` number, since 9 + 7 + 2 + 78 + 95 + 0 + 475 = 666.

It is not a de Polignac number, because 97278950475 - 2³ = 97278950467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30880632 + ... + 30883781.

Almost surely, 2^97278950475 is an apocalyptic number.

97278950475 is an abundant number, since it is smaller than the sum of its proper divisors (101849520261).

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

97278950475 is a wasteful number, since it uses less digits than its factorization.

97278950475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61764436 (or 61764428 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 97278950475 in words is "ninety-seven billion, two hundred seventy-eight million, nine hundred fifty thousand, four hundred seventy-five".