97778050275 has 24 divisors (see below), whose sum is σ = 161884638720. Its totient is φ = 52075735840.

The previous prime is 97778050267. The next prime is 97778050301. The reversal of 97778050275 is 57205087779.

It is not a de Polignac number, because 97778050275 - 2³ = 97778050267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852687 + ... + 960536.

It is an arithmetic number, because the mean of its divisors is an integer number (6745193280).

Almost surely, 2^97778050275 is an apocalyptic number.

97778050275 is a deficient number, since it is larger than the sum of its proper divisors (64106588445).

97778050275 is a wasteful number, since it uses less digits than its factorization.

97778050275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813955 (or 1813950 counting only the distinct ones).

The product of its (nonzero) digits is 8643600, while the sum is 57.

The spelling of 97778050275 in words is "ninety-seven billion, seven hundred seventy-eight million, fifty thousand, two hundred seventy-five".