97020278 has 8 divisors (see below), whose sum is σ = 145963272. Its totient is φ = 48365856.

The previous prime is 97020271. The next prime is 97020281. The reversal of 97020278 is 87202079.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97020271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71300 + ... + 72647.

It is an arithmetic number, because the mean of its divisors is an integer number (18245409).

Almost surely, 2^97020278 is an apocalyptic number.

97020278 is a deficient number, since it is larger than the sum of its proper divisors (48942994).

97020278 is a wasteful number, since it uses less digits than its factorization.

97020278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144286.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 97020278 is about 9849.8872074760. The cubic root of 97020278 is about 459.5021046341.

The spelling of 97020278 in words is "ninety-seven million, twenty thousand, two hundred seventy-eight".