78250575274 has 32 divisors (see below), whose sum is σ = 119999784960. Its totient is φ = 38263192128.

The previous prime is 78250575259. The next prime is 78250575311. The reversal of 78250575274 is 47257505287.

It is a happy number.

It is a super-2 number, since 2×78250575274² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446969 + ... + 5461315.

It is an arithmetic number, because the mean of its divisors is an integer number (3749993280).

Almost surely, 2^78250575274 is an apocalyptic number.

78250575274 is a deficient number, since it is larger than the sum of its proper divisors (41749209686).

78250575274 is a wasteful number, since it uses less digits than its factorization.

78250575274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782.

The product of its (nonzero) digits is 5488000, while the sum is 52.

The spelling of 78250575274 in words is "seventy-eight billion, two hundred fifty million, five hundred seventy-five thousand, two hundred seventy-four".